OpenTechnical

OT-2026-000092518

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000092518) never changes.

Identity and time

Publication numberOT-2026-000092518 · never reused
Internal UUID01a0ae9d-b5fd-7d47-9d9a-8511452f2773 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092518
StatusPUBLIC

Content hashes

Canonical textbe4bc5b33101d6d8f0552b843e8dcff5ed7e569078b3bd9fe881f15d71c64d93
Markdownf4d065e05fe02f984d3cca0fd64b85a957bf113791fd93490ee8ff19833781b7
PDF
Publication page23b76222e76976397777dbb1557fd2ff8374729fae943728bebc244c69897d2e
Manifest25dddb9880623a2b8a4e7fd781b2699bc281e6ba0b54c84bd0c136d134ac00cc

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
SignatureuyffdilUJsjrqFOSGeqH8k3TWCKQpS0R+sB/HOkZEkzLgNcpeSLtZ56hB6RdmB3LAkPl15eV69Vsy9+Hn76MBg==
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

2026-09-17T09:41:05.572167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092518
observed 23b76222e76976397777dbb1557fd2ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:05.555633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092518/manifest.json
observed 25dddb9880623a2b8a4e7fd781b2699b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:05.537801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092518/publication.md
observed f4d065e05fe02f984d3cca0fd64b85a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:05.521310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092518/publication.txt
observed be4bc5b33101d6d8f0552b843e8dcff5...
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.