OpenTechnical

OT-2026-000045029

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000045029) never changes.

Identity and time

Publication numberOT-2026-000045029 · never reused
Internal UUID01a0ae7c-f767-7244-9b20-bf5e58543da3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045029
StatusPUBLIC

Content hashes

Canonical texte1ebbf149d87d859a2a7a85ad4e8e539d2cf1185a9c918103ddbd65a73299a28
Markdown2c6c29fea5a777af3d3d7130f77238c989551c302affc7db5852092fd133ebb9
PDF
Publication page30b1b56f8b0d2fa3a9a458f2e0add97f5d95cfab3998b714b04c7572b9abfb48
Manifest046acc866ce9a38f5e8c0f66a77d72a488488986840d4507f4b716eb7e899204

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
SignaturettV5tUxDbXEFiUce6C+/HINTUbS2wmXOcPCNVvpdzQ0IiHJBfmYtHN0tb5oIAWe/RtT2t6x2hXmh/bM31NfPCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:10:02.596207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045029
observed 30b1b56f8b0d2fa3a9a458f2e0add97f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:02.572050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045029/manifest.json
observed 046acc866ce9a38f5e8c0f66a77d72a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:02.553833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045029/publication.md
observed 2c6c29fea5a777af3d3d7130f77238c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:02.532994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045029/publication.txt
observed e1ebbf149d87d859a2a7a85ad4e8e539...
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

Custody packagePending Custody packages are produced weekly.