OpenTechnical

OT-2026-000088105

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000088105) never changes.

Identity and time

Publication numberOT-2026-000088105 · never reused
Internal UUID01a0ae9b-1aa7-7b0f-920a-7080b61b0aec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088105
StatusPUBLIC

Content hashes

Canonical text634189abf7f7b2c2261f7b6ea57cc7e57dfa12a4cc76dce7165ca673a0e0e530
Markdown3239abfc7a8b76355ba78b12b566320b427ef6039ff943d0bb14cc3fb09fb959
PDF
Publication page042e52ee38e769383129117132767bbb2ebe12e87c131182d4e2067c92c3ba33
Manifest5c69011ec66c9b50b29d0b70c5e535121a0c79b6381d1ee99339951886e65ebb

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
SignatureR5T1UN68dv3z6Nb41YwRuZ7foxXekJit6Ld52Ux3z83qAyBAENaUlVwDgHfUOe7RHJ0eHspk2ovnp2JWh/0OBQ==
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

2026-09-17T09:49:26.536309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088105
observed 042e52ee38e769383129117132767bbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.519458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088105/manifest.json
observed 5c69011ec66c9b50b29d0b70c5e53512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.485007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088105/publication.md
observed 3239abfc7a8b76355ba78b12b566320b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.453223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088105/publication.txt
observed 634189abf7f7b2c2261f7b6ea57cc7e5...
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.