OpenTechnical

OT-2026-000102639

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000102639) never changes.

Identity and time

Publication numberOT-2026-000102639 · never reused
Internal UUID01a0aea4-858b-7304-a886-88f9455b3a1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102639
StatusPUBLIC

Content hashes

Canonical text2f16608861092bc7cd8659f3a9138d08c28cac01e17350ef83f2c796cb5221d2
Markdownd4825bc955e9aa7077bdc3d76b60c564a4097b1f7933dc216720549748667e03
PDF
Publication page70b90662b860921e10ac0fdc50b4a0ba8b2cc3223bbaea572afba385c5f027b8
Manifestfc371ae1723955f8590ac99abf368f847f93f35f5c1fe326dc302ec0d0b45a67

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
Signaturepdw0xpriaidskZoTMhRy1LG1Li3GN/BkdoLJmeafEBJD4Wlm4FoUawmzfuCnTF/N71I7WANT6s+68NYFWWliBA==
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

2026-09-17T09:24:08.091359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102639
observed 70b90662b860921e10ac0fdc50b4a0ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:08.071950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102639/manifest.json
observed fc371ae1723955f8590ac99abf368f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:08.052516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102639/publication.md
observed d4825bc955e9aa7077bdc3d76b60c564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:08.031688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102639/publication.txt
observed 2f16608861092bc7cd8659f3a9138d08...
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.