OpenTechnical

OT-2026-000053104

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000053104) never changes.

Identity and time

Publication numberOT-2026-000053104 · never reused
Internal UUID01a0ae84-a431-7422-8cc2-3a29a363f2da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053104
StatusPUBLIC

Content hashes

Canonical texte8fd9d2450d7416aa573f19b4ba515d4396eaf6f3485c2cf390e4786733e1ffd
Markdown5b8613fa76f1dc0a4e91241a7054ae91a48c28c5a488efd0926e5106ee7b04a5
PDF
Publication page7e01761b91009ab0e44a4087761de40866210259ebcd281e9a1c0492d3832301
Manifest48e63d9fbd96836a7ebfe1a5cdd5498d46d2ad19e230c8602ecaba80bfabe842

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature1Y7NvxrZivErEkQulbGBtuFzxmVlLNUPPGq9FXCKX/Te8fC44ZbqK0zbm+ioFO4t/1yPmA3EwAjtc9XC21HVBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-30T04:41:14.004611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053104
observed 7e01761b91009ab0e44a4087761de408...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T04:41:13.953274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053104/manifest.json
observed 48e63d9fbd96836a7ebfe1a5cdd5498d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T04:41:13.870543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053104/publication.md
observed 5b8613fa76f1dc0a4e91241a7054ae91...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T04:41:13.818482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053104/publication.txt
observed e8fd9d2450d7416aa573f19b4ba515d4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:56:49.675498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053104
observed 7e01761b91009ab0e44a4087761de408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:49.655635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053104/manifest.json
observed 48e63d9fbd96836a7ebfe1a5cdd5498d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:49.639301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053104/publication.md
observed 5b8613fa76f1dc0a4e91241a7054ae91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:49.622467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053104/publication.txt
observed e8fd9d2450d7416aa573f19b4ba515d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent