OpenTechnical

OT-2026-000070058

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000070058) never changes.

Identity and time

Publication numberOT-2026-000070058 · never reused
Internal UUID01a0ae91-1861-7b44-a291-b8c817090ae7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070058
StatusPUBLIC

Content hashes

Canonical text83bf506f2fad0459a5f2e44a59b0daa17386fccdd1fc5cb8a2f731a7bd01eb40
Markdownff168c615d09cdbd2c0a19028c12d209cd21e0a8648ec54a91d85e3f842c34e3
PDF
Publication pagec7a9659418a29cf22e448cb1ef913a7debceee27c9aee8b6f3a75f9b608be84d
Manifest6c1c9807be0f474c4cfdd8dfec458afc25d3c16b7ad50ece18ea4d43ee99b6ec

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
Signature2iEvJwicOiVf5dysV+1sbLblzk67GgJtceWXzYAKPiCh98eYXrzTT1q0R3tTny3RTvChUkXXqGWcuzKE36dvCQ==
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

2026-09-17T10:27:00.965901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070058
observed c7a9659418a29cf22e448cb1ef913a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:00.949398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070058/manifest.json
observed 6c1c9807be0f474c4cfdd8dfec458afc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:00.932413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070058/publication.md
observed ff168c615d09cdbd2c0a19028c12d209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:00.914875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070058/publication.txt
observed 83bf506f2fad0459a5f2e44a59b0daa1...
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.