OpenTechnical

OT-2026-000043769

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000043769) never changes.

Identity and time

Publication numberOT-2026-000043769 · never reused
Internal UUID01a0ae7b-d676-75c0-91e0-f68877769c4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043769
StatusPUBLIC

Content hashes

Canonical texta1fdcf146c3bd95bc6c127f8cd7bb910cc64514882c15c29c41e48f125595e4c
Markdownca74fda88c31f85931ce57f96b94c61ce66fa6c9aa4503f2cd8a74c1cab6e5c7
PDF
Publication page8c2fed90757bb4c6424eb82edcdc6af8d2e9b0a154c15267345ed498483824e5
Manifest9a37a832ca0910203b84ddbcc8e928a655efeabac9788099491619272d81eb2c

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
Signature5Ol4V5l8HMDfceSNgvNjC1C51GGuhubqME0vS1bBifEb6eRqSsY7rU0kDNGtiyxBZxzbRADdqgmUXQLvuMZKDA==
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

2026-09-17T11:12:03.438549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043769
observed 8c2fed90757bb4c6424eb82edcdc6af8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:03.419729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043769/manifest.json
observed 9a37a832ca0910203b84ddbcc8e928a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:03.400060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043769/publication.md
observed ca74fda88c31f85931ce57f96b94c61c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:03.380799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043769/publication.txt
observed a1fdcf146c3bd95bc6c127f8cd7bb910...
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.