OpenTechnical

OT-2026-000102447

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum 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-2026-000102447) never changes.

Identity and time

Publication numberOT-2026-000102447 · never reused
Internal UUID01a0aea4-8589-7513-ac72-05091e50668f · 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-2026-000102447
StatusPUBLIC

Content hashes

Canonical text2056d9635593416b1261a0e8d8bff52caf58a55313d0e8390706f4e4e3cb7fbf
Markdowndb04b5a48453286fa908f3cdc7709ee5a8320632b9f80db91ef9af4763e94df3
PDF
Publication page20fc1d23d72d7595e03b7f4119bd2c36a59d71e62333c198e54b04b8c12ff7c2
Manifestda61b777238e965fe675be10ef5b65ac2a7270d17494cf760f0ac2f83f3003f5

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
Signature2MTyM597Hx0HKD9b3M0xI9IvCoHougDTEbIZ1LkIzhJz7Sr+lpcAAeYS2vaubaWh6QSJNjvecZxgnBldG7+cBA==
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

2026-09-17T09:23:47.754121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102447
observed 20fc1d23d72d7595e03b7f4119bd2c36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.735113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102447/manifest.json
observed da61b777238e965fe675be10ef5b65ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.715775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102447/publication.md
observed db04b5a48453286fa908f3cdc7709ee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.696983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102447/publication.txt
observed 2056d9635593416b1261a0e8d8bff52c...
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.