OpenTechnical

OT-2026-000051398

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000051398) never changes.

Identity and time

Publication numberOT-2026-000051398 · never reused
Internal UUID01a0ae83-2741-7d1c-96b1-c7b9ddd610d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051398
StatusPUBLIC

Content hashes

Canonical textddebda8ac9327a57d7959d9c78a4e4e29255a4b0d2b2d46b867ac3949e78204a
Markdown0c1f41f2fe6c6ecb63fb439aa33850b9825eaf4be00a746997de1dc91eef62f2
PDF
Publication page697690d58b7e67b7a1a892f4a81216019e221e169ca2c2bfda79a173e1d99c06
Manifest412bc297eacad6ba362ba25e181eacf02709af2d5d7f747a85e7e9fac456c99e

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
Signature3arcbFOqlRClamHwPvytM6A+MNq/iuMII1v/bkk6ab3NoQjSbiY6sBORNHg3NGo8VvjVJ2eDzxyW5ypzhMVkBQ==
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

2026-09-17T10:59:17.913635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051398
observed 697690d58b7e67b7a1a892f4a8121601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:17.896129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051398/manifest.json
observed 412bc297eacad6ba362ba25e181eacf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:17.877165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051398/publication.md
observed 0c1f41f2fe6c6ecb63fb439aa33850b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:17.858992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051398/publication.txt
observed ddebda8ac9327a57d7959d9c78a4e4e2...
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.