OpenTechnical

OT-2026-000022967

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000022967) never changes.

Identity and time

Publication numberOT-2026-000022967 · never reused
Internal UUID01a0ae70-46ec-713e-90d7-27dc445ab52c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022967
StatusPUBLIC

Content hashes

Canonical text9aa49db17b495342ccbeed4c17f41416990f5730028cf27bef5570eb3599fbbf
Markdownd069155544097713869534a8823ad1944fa8b209b65dfe936b477445ac066f21
PDF
Publication page220b771e3cc30cb9ce4c35b0a54efd66c21e04664797d6660232a1a0cc9dae52
Manifest199c4c9661f8210736f198a91333d6a06598c11339cef6a20220943ffd6877e5

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
Signatureh9wjTvq4j/WU+5sk0SYR8q2T5txLjS816FLPcz+nkQP9inmsmUdnsxBHc++Hvh6c28RtEDLHibEDgzjhABoPCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:33.252510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022967
observed 220b771e3cc30cb9ce4c35b0a54efd66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.235540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022967/manifest.json
observed 199c4c9661f8210736f198a91333d6a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.217181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022967/publication.md
observed d069155544097713869534a8823ad194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.199364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022967/publication.txt
observed 9aa49db17b495342ccbeed4c17f41416...
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.