OpenTechnical

OT-2026-000027011

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, pulsed blow-off before 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-2026-000027011) never changes.

Identity and time

Publication numberOT-2026-000027011 · never reused
Internal UUID01a0ae72-3453-79c7-b390-9839189d3e81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027011
StatusPUBLIC

Content hashes

Canonical textf79652f6cdc27f4a291034d21b8f9d578dba11356730d05f47e037423196eea8
Markdown07504b29296f3ae55d57f22cf1f74c89b23d45d57821c5a231c7ab60361720f3
PDF
Publication page0e9836b9835fef7a05000b50a7fd615a6793c1228516ef52050a1f35ad995f89
Manifestd11d2c2c1ee58e3a497d72fe7d2f0541536a6bce52224eb9d7e685dd8a28efb1

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
SignatureUjYUPYrdHKIpDIYrT1oM3jE5MAqmNXqCHXHF/eRJ0nAdii0pcp2f777peA03+UtCWokkeYd46X9kfCwmsNreDg==
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

2026-09-17T11:43:45.557078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027011
observed 0e9836b9835fef7a05000b50a7fd615a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:45.540702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027011/manifest.json
observed d11d2c2c1ee58e3a497d72fe7d2f0541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:45.521022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027011/publication.md
observed 07504b29296f3ae55d57f22cf1f74c89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:45.502414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027011/publication.txt
observed f79652f6cdc27f4a291034d21b8f9d57...
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.