OpenTechnical

OT-2026-000074846

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000074846) never changes.

Identity and time

Publication numberOT-2026-000074846 · never reused
Internal UUID01a0ae93-ac2c-78d7-bfd4-39ab82d267d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074846
StatusPUBLIC

Content hashes

Canonical textf98762dfa6b8d879088f7e47ee75a2c535d90841f65cb2a196159eb3108540d8
Markdownc4818f046ec86ddec10c8bdeeffac83e71e66cb50c62027a6094eb1f7f13d4fe
PDF
Publication page710bf67eadb56b9a0cc683783c1f8d20457876592a0c5c5391ff760f2878f10f
Manifest24e368e481d947a76df3407f825bb763407bcf5c3448e559f9a6ad7365069886

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
SignatureHOCjo/b96D2GAvw8DZmiYxwWH+YNQAphiBwiWIgRAGmeBCdwteVco4oGK8mscI7i9ZfRZ/Oo2gjVMF59+bdbBQ==
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

2026-09-17T10:18:33.544702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074846
observed 710bf67eadb56b9a0cc683783c1f8d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:33.527382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074846/manifest.json
observed 24e368e481d947a76df3407f825bb763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:33.510706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074846/publication.md
observed c4818f046ec86ddec10c8bdeeffac83e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:33.493371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074846/publication.txt
observed f98762dfa6b8d879088f7e47ee75a2c5...
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.