OpenTechnical

OT-2026-000082731

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, sustained 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-2026-000082731) never changes.

Identity and time

Publication numberOT-2026-000082731 · never reused
Internal UUID01a0ae97-8cc9-7ff4-a460-135977648284 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082731
StatusPUBLIC

Content hashes

Canonical textdbabb279b5eda1a42a39ac1d868761ee116bacb7e100face409170c4f027f29a
Markdown167ba321c1ef3d100c9f29e5b84e11d60c199a550dc9bed3d48c18e5fe819407
PDF
Publication page8de1d8abc27148dff2efcf57f96b7f899342bb881f158d7d1a27a126849eb196
Manifest81b858b26d66269d6208ea23837ecab1a0a7d555e37fc3dea72f51fdc360f574

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
Signature4DaQPAtiN6FHpM/f79RdgN6QKlBBxbLy8KeByjB78bKfJm9pmh33Thu4kBMgzGjKqvxDw+gJ1AvxUBadcES/CQ==
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

2026-09-17T09:58:18.638396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082731
observed 8de1d8abc27148dff2efcf57f96b7f89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:18.620955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082731/manifest.json
observed 81b858b26d66269d6208ea23837ecab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:18.604601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082731/publication.md
observed 167ba321c1ef3d100c9f29e5b84e11d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:18.587937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082731/publication.txt
observed dbabb279b5eda1a42a39ac1d868761ee...
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.