OpenTechnical

OT-2026-000038649

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000038649) never changes.

Identity and time

Publication numberOT-2026-000038649 · never reused
Internal UUID01a0ae78-2d55-7133-8dc3-080a98ccaf1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038649
StatusPUBLIC

Content hashes

Canonical text7ae3aa701affa582a8dffcb3bbef2149af60b84bf48473c0165182e06c35a451
Markdown9c23559566140de2cb4890a055614e1147c5931447baf63f6cb8f6f6f479e283
PDF
Publication page3c788f24d77de4dc88fba6ce1dd248c778d9ac7f10dae3c159c26c41feddb5c1
Manifest965a8c4dedfe488d9923acda0edaf0c5d292c4be6cb7926eb1517cb381d81749

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
SignatureSQPFGYkxNmZ+1/eFc00LW3FResZgDGfn3cZQwIEPmo3yGa6U7ceyoIr9ArszI77dQf7PgC9PDLDUUsHVhzQ8Cg==
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

2026-09-17T11:22:56.779412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038649
observed 3c788f24d77de4dc88fba6ce1dd248c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:56.761909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038649/manifest.json
observed 965a8c4dedfe488d9923acda0edaf0c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:56.744239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038649/publication.md
observed 9c23559566140de2cb4890a055614e11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:56.725469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038649/publication.txt
observed 7ae3aa701affa582a8dffcb3bbef2149...
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.