OpenTechnical

OT-2026-000091287

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000091287) never changes.

Identity and time

Publication numberOT-2026-000091287 · never reused
Internal UUID01a0ae9c-f16c-7d27-b996-b01a090d5d10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091287
StatusPUBLIC

Content hashes

Canonical text7f0e7805fdd71360a9cde3abc5649752274f9c90a61a356b16d62362122962f4
Markdown6c95c7c07f5395a81408c782b67cacbb91ce6c5d91518aa7214d5cb28271812b
PDF
Publication page1cc8d6f96a1158179f7054fdbaa43360acad9bf26b2c669619b28dd44e516267
Manifest9477cf67b4f1f42dec59cfd98c976152501b3c6f4e30ce002044cf43f415676f

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
SignaturehU6BTGF5Bdp0AtNM0NO5D80rXiyxl7vqBceo2vHnjmheinPbNL/yfuVsyR0JlppdqrRIt/0Vo3RswN7ps4NYCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:28.619523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091287
observed 1cc8d6f96a1158179f7054fdbaa43360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:28.601687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091287/manifest.json
observed 9477cf67b4f1f42dec59cfd98c976152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:28.583500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091287/publication.md
observed 6c95c7c07f5395a81408c782b67cacbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:28.566235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091287/publication.txt
observed 7f0e7805fdd71360a9cde3abc5649752...
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.