OpenTechnical

OT-2026-000045977

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained 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-2026-000045977) never changes.

Identity and time

Publication numberOT-2026-000045977 · never reused
Internal UUID01a0ae7d-8f89-7b03-950a-7399876ba8d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045977
StatusPUBLIC

Content hashes

Canonical text26c42eac97367d77136ddac14f49702c41cbfe354153bb1aef0a2e4cd5538784
Markdown0e1d6b1e34462b6655a450437e635dcf40e00419064997936371ef90227da44b
PDF
Publication page66001b070a07a44f531e4ea9937dc32158dbd6593b685a0677d8c69ccff16d28
Manifest273c488505508b0ba36c9463a01a812c06d27f5722999e1018754ca4a2e68875

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
SignatureVx1sBmXQtEW3LW4u5RmfA9mkFfU0f/yMbFBODccGhORDJk/EW8yF5OUnlBvemLKlZFAIgoYrjtg3W2mebO+CDg==
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

2026-09-17T11:09:58.228761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045977
observed 66001b070a07a44f531e4ea9937dc321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:58.210803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045977/manifest.json
observed 273c488505508b0ba36c9463a01a812c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:58.190091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045977/publication.md
observed 0e1d6b1e34462b6655a450437e635dcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:58.170848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045977/publication.txt
observed 26c42eac97367d77136ddac14f49702c...
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.