OpenTechnical

OT-2026-000085609

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, sustained blow-off 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-2026-000085609) never changes.

Identity and time

Publication numberOT-2026-000085609 · never reused
Internal UUID01a0ae99-aaad-7c2e-812d-34ef4c0d5d57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085609
StatusPUBLIC

Content hashes

Canonical text9869a352357e4a7372b8b362860854b49f341d1bfc2fb6777f63590c8f85c0ad
Markdowneab13209174bdb618db014a95c30aece8bdb37c3f7eaeb1071fde0c20af007c4
PDF
Publication pagee9f8a895ef35d3ce53752bb86354842ed8ad763f2cffd0380939cf4b91c3b661
Manifest00fdc512370261c26500d5ddba4a9bb813d91137135afd8cc95c569e5e5a54e8

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
Signaturet+fTIjGJllRRbjOri5U/okfY+xFxgsUvrjvkEQ7EzV8YLsgWYDwnv21SXtFFznyiadl6YxhShdwKHcxEJIrQAA==
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

2026-09-17T09:54:29.309012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085609
observed e9f8a895ef35d3ce53752bb86354842e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:29.291574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085609/manifest.json
observed 00fdc512370261c26500d5ddba4a9bb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:29.274697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085609/publication.md
observed eab13209174bdb618db014a95c30aece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:29.252998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085609/publication.txt
observed 9869a352357e4a7372b8b362860854b4...
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.