OpenTechnical

OT-2026-000043451

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000043451) never changes.

Identity and time

Publication numberOT-2026-000043451 · never reused
Internal UUID01a0ae7b-327f-7cce-be11-ff5196929f7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043451
StatusPUBLIC

Content hashes

Canonical textd1a666fac5a57808e78d50a7493dfa4526597538ff2193c0d994b921b2493b6a
Markdown72f3cdc5b4ff77b6fa01861da43d604c897d3755d8af3554ceeed2c0af5f0bf7
PDF
Publication pagea2108e1023961141ebb6c36e5a3ddeb43beeda5f4462a33895955b101c22a7ed
Manifest2a2109174991f5b3aa384134d9bf2dab59fb5a5b4467ba14c1ee5bd1d60b10de

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
SignatureKsMK/R6upxFjgyM/s4cPmowlH9SgMwAqRu25XgP7p7H/VfrzYvLzOd3wArdWKmNEPzX++QwaXTBdjcG4RqdfAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:14:00.190922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043451
observed a2108e1023961141ebb6c36e5a3ddeb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:00.171689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043451/manifest.json
observed 2a2109174991f5b3aa384134d9bf2dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:00.150879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043451/publication.md
observed 72f3cdc5b4ff77b6fa01861da43d604c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:00.132188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043451/publication.txt
observed d1a666fac5a57808e78d50a7493dfa45...
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.