OpenTechnical

OT-2026-000072778

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, vented before set-down

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-2026-000072778) never changes.

Identity and time

Publication numberOT-2026-000072778 · never reused
Internal UUID01a0ae92-89da-7859-8b24-2b1f7b1d564f · 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-2026-000072778
StatusPUBLIC

Content hashes

Canonical text2b9b788bdf07a9bdc4d6d95f8a777a759b04232f2b06947425275d6ab8a295a8
Markdown2b91c214c583f8379076875c5eb995628ce1a802241f036c0af5896f92a7961c
PDF
Publication page56339b08a513185544c519a4ca82203dfa2282537b212b36f63b90e5cf656c16
Manifest2aa21739e216a0f09e7b7255510ea62ca165cfd51259fa31d25c320a9e78288f

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
Signature4IQldR3a9AtkvsO9tEcoyA1J5SWG6JZTACj4PN08LxG/8fpff4oLnronvlJ6LOlUfs7mEiMeKbgkkytzAxHDAg==
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

2026-09-17T10:22:41.364178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072778
observed 56339b08a513185544c519a4ca82203d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.347542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072778/manifest.json
observed 2aa21739e216a0f09e7b7255510ea62c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.329111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072778/publication.md
observed 2b91c214c583f8379076875c5eb99562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.309711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072778/publication.txt
observed 2b9b788bdf07a9bdc4d6d95f8a777a75...
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.