OpenTechnical

OT-2026-000071352

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000071352) never changes.

Identity and time

Publication numberOT-2026-000071352 · never reused
Internal UUID01a0ae91-e0ed-7eb4-be47-a68599f8563f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071352
StatusPUBLIC

Content hashes

Canonical text6a0b26ba4953244c8c6ce2225a8cf1174bc6a07ec6cacaee5c3459a7026033c1
Markdown5eb5c9ec3d798e1eb49e6f2ae9963564391fa2008095c21eb164dfd68a3ab0fc
PDF
Publication pagecb6caeb923972c13914e19bcb917ae8d2d1770410b9ce2657efe6b37359b3fe1
Manifest2c119a1b4459d2bc6b478c0e39f764011f8aca551091cfd56421a6a00368c51e

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
SignatureHuyKGOibTybZMP54SEfh81tgKEU5D2Ymc+M5PeRLKProM9vnfdOAUwLp6lx0sMmbBJc3bX0z6b8cV58WY9iTBw==
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

2026-09-17T10:24:57.454675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071352
observed cb6caeb923972c13914e19bcb917ae8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.437381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071352/manifest.json
observed 2c119a1b4459d2bc6b478c0e39f76401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.418985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071352/publication.md
observed 5eb5c9ec3d798e1eb49e6f2ae9963564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.401881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071352/publication.txt
observed 6a0b26ba4953244c8c6ce2225a8cf117...
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.