OpenTechnical

OT-2026-000088631

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, 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-2026-000088631) never changes.

Identity and time

Publication numberOT-2026-000088631 · never reused
Internal UUID01a0ae9b-8f0f-7f97-a5a4-860de5ee66ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088631
StatusPUBLIC

Content hashes

Canonical text57185ebab2d47cf1ad02b2de00fbebaaab76faabe7c44b0417ae1efecabd1984
Markdown7b061c24d1274d07f4fabce3d824af3b961738314d2dd39d191ffd68b24108a5
PDF
Publication page947adf3d3ae6dc96a3745661ed46198c70f8c1c42d227a742c1862f1d10d045c
Manifest85ef1488e0fb900e09d3e2be8c9f280d73982b9113d8c9dcf47068c5465903d9

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
Signature+Y+EFdWNwyr6FWXtbwdFo7S3Glnrd6cUFBNKnwk7PiKNffBQ8J9kqx5yhY9h51GTFipbFmU8ALu2r/zHngqpAw==
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

2026-09-17T09:47:50.540024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088631
observed 947adf3d3ae6dc96a3745661ed46198c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.520115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088631/manifest.json
observed 85ef1488e0fb900e09d3e2be8c9f280d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.500460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088631/publication.md
observed 7b061c24d1274d07f4fabce3d824af3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.480783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088631/publication.txt
observed 57185ebab2d47cf1ad02b2de00fbebaa...
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.