OpenTechnical

OT-2026-000077902

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000077902) never changes.

Identity and time

Publication numberOT-2026-000077902 · never reused
Internal UUID01a0ae95-2ed1-7145-b340-8b2a88274acd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077902
StatusPUBLIC

Content hashes

Canonical textf5d0253764d39efedd399ca00024f1c14c9991c8fc7576e665e789f667aafcae
Markdown6ed7eb12767b9edebcdd50d8e09c60749d1b2163e0358ff5dda82da07dd5950d
PDF
Publication page4f1011e0a48b5e020bb5d7e6b16151b27463d2b49f629b2ec22f68963db7c343
Manifest5ec791ef0d2cd59bc85513bbb36331d0b55e2687560cebe8145bc34311c485e8

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
SignatureCeW+jaPp63bPl8+icHRBATPQK8pf37ApnITnHqd5cptJaFHEC4UunFRJ5R3H3gS/kdmteEnDn6tDoASjvg6hCg==
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

2026-09-17T10:06:58.767842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077902
observed 4f1011e0a48b5e020bb5d7e6b16151b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:58.749306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077902/manifest.json
observed 5ec791ef0d2cd59bc85513bbb36331d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:58.730210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077902/publication.md
observed 6ed7eb12767b9edebcdd50d8e09c6074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:58.712740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077902/publication.txt
observed f5d0253764d39efedd399ca00024f1c1...
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.