OpenTechnical

OT-2026-000091440

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091440) never changes.

Identity and time

Publication numberOT-2026-000091440 · never reused
Internal UUID01a0ae9c-f16d-734d-8dbc-9a7214083a8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091440
StatusPUBLIC

Content hashes

Canonical text57c8307723342c57e8caa4035c4d9432089606a3b1e81d05284cfdb161398d13
Markdowna1acff39315da57a2fce7afeca665f46d8ad962ddffc7921d374bfc695bc67ca
PDF
Publication page52eea3ce9712f9adc03f4fe737318b2e5d710b178090a92ef7bd9e23b66dd144
Manifest6c01aff29c1f5ce79ad7146979c960e76d30d35eae74f978ae108128c1a48964

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
Signature5auuDC7Z980YQ50x1yNyVIssdCv2JJESzToReFZukd0/IT3H6a49UYyC6Ewb9x6Tp2u3cythptYZCh7UWOejDw==
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

2026-09-17T09:43:41.023866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091440
observed 52eea3ce9712f9adc03f4fe737318b2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:41.007338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091440/manifest.json
observed 6c01aff29c1f5ce79ad7146979c960e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.990447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091440/publication.md
observed a1acff39315da57a2fce7afeca665f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.972381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091440/publication.txt
observed 57c8307723342c57e8caa4035c4d9432...
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.