OpenTechnical

OT-2026-000056733

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, vented before 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-2026-000056733) never changes.

Identity and time

Publication numberOT-2026-000056733 · never reused
Internal UUID01a0ae87-7af6-74b5-b5b3-c0192a402f44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056733
StatusPUBLIC

Content hashes

Canonical textf239063ce6398067f50e3e8db31a814dfda6625c749f182292002c2166920971
Markdown4735b26ca9f564be85e3a54064c57e79b873e7047bc64b43f23ead08a1e09fb9
PDF
Publication page6a9919cdb44556172f15788a8b68b0b8261bdad5aa6fc8344f3716704036d732
Manifestc941fe898c757d5c6452ace666bc530367defb0a450c3963f4a0c44fa0c5a678

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
Signature+rU6PAEqJl0UgIWh/9ne9yAqebsIecvpXizpZu+MC/zLOv92gZ96iy0Jr5l9mn8sgZY6rpLddy8+YnXN9nEqCw==
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

2026-09-17T10:50:10.208499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056733
observed 6a9919cdb44556172f15788a8b68b0b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.189428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056733/manifest.json
observed c941fe898c757d5c6452ace666bc5303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.173135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056733/publication.md
observed 4735b26ca9f564be85e3a54064c57e79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.155352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056733/publication.txt
observed f239063ce6398067f50e3e8db31a814d...
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.