OpenTechnical

OT-2026-000077313

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000077313) never changes.

Identity and time

Publication numberOT-2026-000077313 · never reused
Internal UUID01a0ae94-f508-7f4d-a2b5-e42e7d1f7f82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077313
StatusPUBLIC

Content hashes

Canonical text7d092065bce7cd244f1aee1e87b9c11db88b0de97564436789b973afe4776b9b
Markdownde12c8b93a81cd935bed4d0cfaebfac14e28865e0d036a0377ee8ec6ce1ec24c
PDF
Publication page82794532085afdd3bfb27e83e6bd91ec9759e4af6155f55a0ddc343f1d4bdc01
Manifest81adcaab82b1c14172eba5f4dc585803f62fc7c2cea4740b993fee0956d27ac7

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
SignatureWEKhYqhAK0+Ybl4sURao8enHdBpEOd5nAw219xgRoGLoeCx3ynvcnVfnoXmuS9NnaCckKDL/UWF8hf8NbkB2AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:08:57.072386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077313
observed 82794532085afdd3bfb27e83e6bd91ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:57.052435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077313/manifest.json
observed 81adcaab82b1c14172eba5f4dc585803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:57.032769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077313/publication.md
observed de12c8b93a81cd935bed4d0cfaebfac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:57.013862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077313/publication.txt
observed 7d092065bce7cd244f1aee1e87b9c11d...
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.