OpenTechnical

OT-2026-000085669

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single 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-2026-000085669) never changes.

Identity and time

Publication numberOT-2026-000085669 · never reused
Internal UUID01a0ae99-aaad-7a0f-8a73-a7c9b0aa863a · 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-2026-000085669
StatusPUBLIC

Content hashes

Canonical text967e6f9a82cc550aeda636ed0adcdda8e946a1cb926e2506db3a78cf3625487c
Markdown8d90ffca06083a31ce879bfd02ce21f6e6714eb5d7568048e6b80ad88bc23bef
PDF
Publication page81d779de64cbbeba0903a0d8aa49c3f2f091981ac69d8549274aab93a87a3f0f
Manifestb5704bf5967f942a8688d146f401af4ca364b7a8de888e3c73ec0f6a3a88e339

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
Signature+tBv6YOuK4RujruyBB2AfDop4IMmTaFOHn7eMbGs/ofPqdhx9FEJiigDUxrtlBHV6lRB2kcIhrVwWrc4x7ANDw==
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

2026-09-17T09:54:33.772940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085669
observed 81d779de64cbbeba0903a0d8aa49c3f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:33.750820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085669/manifest.json
observed b5704bf5967f942a8688d146f401af4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:33.732509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085669/publication.md
observed 8d90ffca06083a31ce879bfd02ce21f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:33.715360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085669/publication.txt
observed 967e6f9a82cc550aeda636ed0adcdda8...
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.