OpenTechnical

OT-2026-000008477

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000008477) never changes.

Identity and time

Publication numberOT-2026-000008477 · never reused
Internal UUID01a0ae6a-e46a-7436-843d-924922e41503 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008477
StatusPUBLIC

Content hashes

Canonical text17bdaac53fd4a62f59df3dc4a8a12d1253f381168aba059d399e7ba76b4608ba
Markdown745603a9faebc252fa79ae5e138d3b30a6e650c9adafc0c027afbcf172c77b7a
PDF
Publication page64a74dcfe953c1efd0b604fc1b6d007f720c2a0fe24c29e036da0c4e99cc5711
Manifest3093a49270a875658b482d83e4e0a938a9eca9c5f733df1044a94616ff12333c

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
SignaturePxRPrt6SUCc0CCuJCKWi8aco8R5NWJa9LRxvZbrwFeR1cBz4oXD76i6h8O2eA/1bK6dOIwj6VKA4JJ946RJ/CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:22.288552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008477
observed 64a74dcfe953c1efd0b604fc1b6d007f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:22.267879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008477/manifest.json
observed 3093a49270a875658b482d83e4e0a938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:22.248932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008477/publication.md
observed 745603a9faebc252fa79ae5e138d3b30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:22.224975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008477/publication.txt
observed 17bdaac53fd4a62f59df3dc4a8a12d12...
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.