OpenTechnical

OT-2026-000016540

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000016540) never changes.

Identity and time

Publication numberOT-2026-000016540 · never reused
Internal UUID01a0ae6e-2d13-7ce7-bd3f-55fe9f4fbf30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016540
StatusPUBLIC

Content hashes

Canonical textb0dd51a272f911eb9526d632df75d75c81a20cfc70c97c7edb22786fbaea22e8
Markdown324b09e89eb686a8dba40dcfff44be01cec05b6e7906d68f696da91deaab7ce3
PDF
Publication page5ec11734179b3781d01a85803c4aa7059f867d69211b3df0113d340909791d29
Manifest4596c9e71b6ae699ddc6ccfc75774186a0b71f7830e935e40b31a7e7e57b230e

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
Signature8haajfk3bzz/fL4wW9D2ClwCN4r51EXR2Yr/OCllpei7e7AHyMPTTXYFrsltQOFMEm6H+dZm4Iqm8oK607pcAQ==
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

2026-09-17T12:04:45.729219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016540
observed 5ec11734179b3781d01a85803c4aa705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:45.710088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016540/manifest.json
observed 4596c9e71b6ae699ddc6ccfc75774186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:45.692342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016540/publication.md
observed 324b09e89eb686a8dba40dcfff44be01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:45.674654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016540/publication.txt
observed b0dd51a272f911eb9526d632df75d75c...
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.