OpenTechnical

OT-2026-000086310

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, sustained 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-2026-000086310) never changes.

Identity and time

Publication numberOT-2026-000086310 · never reused
Internal UUID01a0ae9a-2c96-72a8-812c-15817ba312b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086310
StatusPUBLIC

Content hashes

Canonical textddb94f6906e6a8b2ee51a3c1075b1ef575c39ef48dcdea4ad627c3f7a5cd0bee
Markdown784dba65bdad3b503ceb6489993e7040daafb9cdf37311f3796836bbc90dcdcd
PDF
Publication page76ea0c620154cb804fc48734784d5074ab76ddb401995d42eee06168f1c8e1d5
Manifest6d1cdcb145f61ceee3961ee6c0c6fa94bc09b8858b64f45210ae5af75aa8851b

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
Signature7Cqv+jjl++HRrjLfghWrcDRjRG5tq/Jv7IbjaJdCF+D9usnMag6edp+/uH3NEXaAyiq3zxfHYmmKbNL4pOaQAA==
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

2026-09-17T09:51:59.600449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086310
observed 76ea0c620154cb804fc48734784d5074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:59.582377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086310/manifest.json
observed 6d1cdcb145f61ceee3961ee6c0c6fa94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:59.563485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086310/publication.md
observed 784dba65bdad3b503ceb6489993e7040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:59.492759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086310/publication.txt
observed ddb94f6906e6a8b2ee51a3c1075b1ef5...
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.