OpenTechnical

OT-2026-000102977

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000102977) never changes.

Identity and time

Publication numberOT-2026-000102977 · never reused
Internal UUID01a0aea4-be3c-7ae8-b729-c9097e3cb0cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102977
StatusPUBLIC

Content hashes

Canonical text23a178f055d254fa0244695c52973fafcdeafcb43b23c16abd3d2745435f41dc
Markdownec7b2f1b6abc0ad50aa49b70c3a884214662feaa7634b15a94b033db2337cbcc
PDF
Publication page4f9a1ef60c2c1de74dcfc869d89f9c2a0e3d0e19ffc5828884f535beb1dbbcde
Manifest27caf8fb137dbf1f4fb06d65ec5bc43dcd6d509f925bdf09943e0f35084db036

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
SignatureNLsgyW+ErGXer0PPrTbgzahYp1iPnDScz8aQ04OjuEuzC8i0x4mZiGgMl9XrrnwXwcTL6qXdp795J3zdkcfPBA==
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

2026-09-17T09:23:05.267604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102977
observed 4f9a1ef60c2c1de74dcfc869d89f9c2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.250672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102977/manifest.json
observed 27caf8fb137dbf1f4fb06d65ec5bc43d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.229856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102977/publication.md
observed ec7b2f1b6abc0ad50aa49b70c3a88421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.212365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102977/publication.txt
observed 23a178f055d254fa0244695c52973faf...
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.