OpenTechnical

OT-2026-000089753

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000089753) never changes.

Identity and time

Publication numberOT-2026-000089753 · never reused
Internal UUID01a0ae9c-1a22-7ff6-8113-8fa1dd0d5202 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089753
StatusPUBLIC

Content hashes

Canonical text8e762dcc7be54ef8ba05e0617f241e5ffdef98b846b81051dbba551c2e49b475
Markdown3473e726419ffe6fa4d332d76216292fa575f3f7a353339bccb0465911db3c84
PDF
Publication page5ac280217327cab39c5ac0fd0770c95dcb2fd9e0e7cd9c1a8b7223c891b1ed27
Manifest8775c0305faa8f56b76bde1939ba3240a07df1e37e2ea8fb43c8a783cacb6373

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
Signature8oaAaeNgnjmLJZBkEH0Boeqe2vS+OgCfkHkbaO3DEdK31novQFfMkQmzuxNOFWsXVXDQ4mcYhrxDx+AOhLLWCw==
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

2026-09-17T09:46:50.256662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089753
observed 5ac280217327cab39c5ac0fd0770c95d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.239111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089753/manifest.json
observed 8775c0305faa8f56b76bde1939ba3240...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.221262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089753/publication.md
observed 3473e726419ffe6fa4d332d76216292f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.201774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089753/publication.txt
observed 8e762dcc7be54ef8ba05e0617f241e5f...
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.