OpenTechnical

OT-2026-000073234

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000073234) never changes.

Identity and time

Publication numberOT-2026-000073234 · never reused
Internal UUID01a0ae92-efb6-7eb8-8ddd-e3e398a8e3d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073234
StatusPUBLIC

Content hashes

Canonical text9ac1125e9c9f0962c526434ff23a9bf4e19646923e76d58b556862d1bbfd2666
Markdown91694eb41478c0e18dec826ff15c7ebf10077cff2557fc394e98568ccdb3a133
PDF
Publication pagec1e218f1823c4640dfd4a6bfef096db3dce71a211a753d175c2a775caa37c8ee
Manifestf644a3e02aceac6c137d85016bc1fcfae0f1636c8d51e3cf5709af848179c79a

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
SignatureeRnkam80fCtpMjEKHv0SljfpqSK2d+S8feGjAPRgFz/IW2uGPblFf2mIGXOpUPY+SnDgAvJRCQnMOHPFEK6pCw==
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

2026-09-17T10:21:13.067612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073234
observed c1e218f1823c4640dfd4a6bfef096db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:13.048749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073234/manifest.json
observed f644a3e02aceac6c137d85016bc1fcfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:13.029502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073234/publication.md
observed 91694eb41478c0e18dec826ff15c7ebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:13.008525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073234/publication.txt
observed 9ac1125e9c9f0962c526434ff23a9bf4...
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.