OpenTechnical

OT-2026-000055862

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000055862) never changes.

Identity and time

Publication numberOT-2026-000055862 · never reused
Internal UUID01a0ae87-0a49-7c0a-8c9c-13114a80fe96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055862
StatusPUBLIC

Content hashes

Canonical text98e52d1545c542c8c784224367144ee1af689c03c0efdd6aa400e75a7cebbc6a
Markdownff3a357ffe6f53e6d9f2ad48cc171d5a916e0bfae384e8f2e093fbd589417055
PDF
Publication page4d947c82435e04355db476de84003a8f59997234b81671e40c47111d6f10d2c7
Manifest16fb6e40da77e1132a27a03e97651b7ee39025ebe333fccd3d13bc9d8ee7c612

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
SignatureORebBvh4GUzwbm9F7W1dibepvWGieT1JavcbIN216msKXkZZdgSPqQ5L4jl7nd40XLZFkycSbOJSYw80UPoODA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:15.633831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055862
observed 4d947c82435e04355db476de84003a8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:15.616676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055862/manifest.json
observed 16fb6e40da77e1132a27a03e97651b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:15.599963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055862/publication.md
observed ff3a357ffe6f53e6d9f2ad48cc171d5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:15.581190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055862/publication.txt
observed 98e52d1545c542c8c784224367144ee1...
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.