OpenTechnical

OT-2026-000011508

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000011508) never changes.

Identity and time

Publication numberOT-2026-000011508 · never reused
Internal UUID01a0ae6c-88ff-747a-9260-32d614a0dcf2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011508
StatusPUBLIC

Content hashes

Canonical textb124c6b6d48294fbc1f85d10a01f0f12fcc0be38b0cd05f5622b9c20c823aa35
Markdownaaa954b37adfc23e4fc81b3ff417198a2811f77e9e89eb89c7f4cb1b2ee85f45
PDF
Publication pagebcbe4aebf6953c0812e6ff15c2389cfd5ec713ccd547297068a5190d2153c85a
Manifestd4af465f4106e69e4282f18049f40c52916daaf444b0b4366f3bcca7a31ed1c1

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
SignatureTLMNYiBY98PMsFra8vwXSD7i4Aw6sYdC8TL6MhK4/YBEDIqUQkBBEnQihHn3VB7pcbjutFDMNxTNYd22UbuTBg==
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

2026-09-17T12:13:17.372787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011508
observed bcbe4aebf6953c0812e6ff15c2389cfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:17.355680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011508/manifest.json
observed d4af465f4106e69e4282f18049f40c52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:17.338800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011508/publication.md
observed aaa954b37adfc23e4fc81b3ff417198a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:17.318622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011508/publication.txt
observed b124c6b6d48294fbc1f85d10a01f0f12...
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.