OpenTechnical

OT-2026-000083331

Publication integrity record

Three cup vacuum gripper, three zone face, two 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-2026-000083331) never changes.

Identity and time

Publication numberOT-2026-000083331 · never reused
Internal UUID01a0ae97-c964-78d3-b358-dbd0a569bf18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083331
StatusPUBLIC

Content hashes

Canonical textdad11d62d989a8bb23334e430a45357b9544e7eb52dd7923296b5c68ec02b0b1
Markdownc3b32fbd6168efb591acf660d1a6f5c1a434f1319ceadac2af4b09715465fdce
PDF
Publication pageeb957a6eb1b02723d4083526b3da7064f92994c397acf1865adbcd9872cfc9f3
Manifestb1184641cbfdaa7b6993482e15c0891511b9aed82359e47c65b0b0b2d790a1c5

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
SignatureswDVSwYgAswL9nlWMtDE7QO5JaSaxW5C01NZCEOxAtP7Ole2lVAkDS+mCR1IIScA+nO0f+IW83M34cpXoFv/Dw==
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

2026-09-17T10:00:35.982401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083331
observed eb957a6eb1b02723d4083526b3da7064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:35.963490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083331/manifest.json
observed b1184641cbfdaa7b6993482e15c08915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:35.943906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083331/publication.md
observed c3b32fbd6168efb591acf660d1a6f5c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:35.923803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083331/publication.txt
observed dad11d62d989a8bb23334e430a45357b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:43.771994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083331
observed eb957a6eb1b02723d4083526b3da7064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:43.756059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083331/manifest.json
observed b1184641cbfdaa7b6993482e15c08915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:43.740204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083331/publication.md
observed c3b32fbd6168efb591acf660d1a6f5c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:43.725101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083331/publication.txt
observed dad11d62d989a8bb23334e430a45357b...
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.