OpenTechnical

OT-2026-000102226

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000102226) never changes.

Identity and time

Publication numberOT-2026-000102226 · never reused
Internal UUID01a0aea4-50f3-7cba-abb6-dbbbf6382d01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102226
StatusPUBLIC

Content hashes

Canonical text1d8331a518d1bd9c800afc3bd63e62dd20749153aaaa4b4bb0ba5efc94579ad4
Markdownd1d9fcaf8aed77fe51c307eb06014d5d9bb998e8df389f7d1e8895a07d8f79c5
PDF
Publication page6f9653fbc7affe2d07d4952b432abf3443f5b498e6d85d507c397e03dd6e29ad
Manifest4a7fdd75f54b1ff9fe6b77d798747d77385f6e9302682677248f4eb02d56edf1

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
SignatureGJ0BJSKoshQwglR1/vs0NwS0Onzrq0oLc//5MMNk6Gsa/Ed/EpeL66pJLyasseU1xIEZ8Beq5jfNRV9bIbLoAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:24.321395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102226
observed 6f9653fbc7affe2d07d4952b432abf34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.303353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102226/manifest.json
observed 4a7fdd75f54b1ff9fe6b77d798747d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.282399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102226/publication.md
observed d1d9fcaf8aed77fe51c307eb06014d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.252858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102226/publication.txt
observed 1d8331a518d1bd9c800afc3bd63e62dd...
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.