OpenTechnical

OT-2026-000100645

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000100645) never changes.

Identity and time

Publication numberOT-2026-000100645 · never reused
Internal UUID01a0aea3-66f3-72ab-b271-9f6cbe5b575f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100645
StatusPUBLIC

Content hashes

Canonical text8f8ada957d335bae88f1472b07d0a258e95b779b90c7f3aa8d3bc8d02cc748da
Markdownc2b95298bdcab66c5df1a4ff1a2becafde5aef2ab0250836cdee551aed4eb663
PDF
Publication pagee910d792276ef18a8106055670eb56ab72623605fb2476aba4d9333d8405aa90
Manifestbcf64350ce52732074c6b64d47c775f5257af84a86e66edeb561bbd703f20367

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
SignatureHtt1vDWUw7s32BYHzpkVxcc84vixqWB6uxJrTpQE9f82KpDuKi6XLsxhgzRCBr5q6Hhm/i+tl3FoOBbXEkCDCQ==
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

2026-09-17T09:27:26.988385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100645
observed e910d792276ef18a8106055670eb56ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:26.970089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100645/manifest.json
observed bcf64350ce52732074c6b64d47c775f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:26.953386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100645/publication.md
observed c2b95298bdcab66c5df1a4ff1a2becaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:26.935438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100645/publication.txt
observed 8f8ada957d335bae88f1472b07d0a258...
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.