OpenTechnical

OT-2026-000072612

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line 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-2026-000072612) never changes.

Identity and time

Publication numberOT-2026-000072612 · never reused
Internal UUID01a0ae92-89d9-7ab0-b220-4cb5a8b12f93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072612
StatusPUBLIC

Content hashes

Canonical text52d4c181fad17fed8b27881aaa3b34f6a33f6fa94d93a3a124c167941d91176d
Markdownc6bff5e1e58215917b0350ec432577a554374d1e9b82da29e85cf22d848515d9
PDF
Publication pagec4adbe09a1140bc89f2493064db1238200f9b024ce5adc1e0ebd0be17b73bb1a
Manifest462091769800ba1a5fa7cb9dee820f2db48c5e4695760a5054e89da03c5c4a12

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
SignatureANxAG9+cgPjG6t3dKZKyRYq+0SdbICLAEkyDOI/42Gs6hqW19rq797ZTM4FNqmF4Q79DyBQ/FjG45kh2HwUaCg==
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

2026-09-17T10:22:27.656025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072612
observed c4adbe09a1140bc89f2493064db12382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:27.640090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072612/manifest.json
observed 462091769800ba1a5fa7cb9dee820f2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:27.620885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072612/publication.md
observed c6bff5e1e58215917b0350ec432577a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:27.602087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072612/publication.txt
observed 52d4c181fad17fed8b27881aaa3b34f6...
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.