OpenTechnical

OT-2026-000010264

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, vented after 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-2026-000010264) never changes.

Identity and time

Publication numberOT-2026-000010264 · never reused
Internal UUID01a0ae6b-cb7b-7800-8f81-3e1ca5493506 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010264
StatusPUBLIC

Content hashes

Canonical text4afa290a4009528e46e315fd7d5e5b5f19be6c8349f44228d9bc7b55ddbccaeb
Markdown341bbed6e30f3bed2a6c31d7eac6af4fe3b05b8aecaf576766adb8d2da0ac22f
PDF
Publication page2649430a951341f92cd10c58a70cb9c6d7cb7f50d68cf5d0337cf6677c02af02
Manifest182e7c7d31aaa34288b3cb63c57b468ded44c0413951365a3acecde432e88668

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
SignaturerTCa8CaB1ZjKkzbbj7jVaETbtUsrJ/gg/MJocR0+NH6rVqiddLqblh/srB2Q/p1DK45DrtiGbVTTQcIro7hbAA==
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

2026-09-17T12:16:29.226284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010264
observed 2649430a951341f92cd10c58a70cb9c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:29.205691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010264/manifest.json
observed 182e7c7d31aaa34288b3cb63c57b468d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:29.185732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010264/publication.md
observed 341bbed6e30f3bed2a6c31d7eac6af4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:29.163704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010264/publication.txt
observed 4afa290a4009528e46e315fd7d5e5b5f...
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.