OpenTechnical

OT-2026-000064639

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, pulsed 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-2026-000064639) never changes.

Identity and time

Publication numberOT-2026-000064639 · never reused
Internal UUID01a0ae8d-deb8-7c16-bd18-c90987ae3c40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064639
StatusPUBLIC

Content hashes

Canonical text2607c829fab572ddcc5241715d342cefed951ffa897cf4a0b8b8c3552d224f5c
Markdown97e97ced27bdd411a7a91df558c2f0f2de463eae257634168e223321d9a4e033
PDF
Publication pagefa5672a2abdbf03038173454b71f641f48ae691ece5a060250e4852067684939
Manifestadded8fba59fb5e2e3c59c017adfbfbba3aed912dd4cf589636df0a8587ad355

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
SignatureKXvOjnPJ27glD04iesn/Q7M2KWkVnaiRdftvj7RVHfsoYJC0Bv92qzhsWPFPs/c7BDdSvtEwftOEU/GXSswiCA==
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

2026-09-17T10:35:25.358381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064639
observed fa5672a2abdbf03038173454b71f641f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:25.341592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064639/manifest.json
observed added8fba59fb5e2e3c59c017adfbfbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:25.321681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064639/publication.md
observed 97e97ced27bdd411a7a91df558c2f0f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:25.303833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064639/publication.txt
observed 2607c829fab572ddcc5241715d342cef...
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.