OpenTechnical

OT-2026-000022250

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000022250) never changes.

Identity and time

Publication numberOT-2026-000022250 · never reused
Internal UUID01a0ae6f-f4fc-7bc7-9d08-68b26d320985 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022250
StatusPUBLIC

Content hashes

Canonical text1d08a0198f5a8e8bd9688c8f70cd7cc029ac0541739b5d83d4bba372ca2c06cb
Markdowna16ce5e1cbedf898519949397710a0b5aaf0d690c99f33453975abc79f94d398
PDF
Publication pagee87951dce7b1fd159a060b3c85a32d8619ff941dca756ae722a5235153e6d07f
Manifest5fa4d7f20f33a4f385dfb6a646a91786bb906c5330cf090dc52b1e377e8288b5

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
SignatureZJFfjDB0zIUwBUEYuZlyvmdjpbImibi3lesGyd+yNvTpvsBj31iTsZJFwcd7MfOOQxG68nSelFmIMm3SYAr3CA==
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

2026-09-17T11:53:02.866556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022250
observed e87951dce7b1fd159a060b3c85a32d86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:02.846456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022250/manifest.json
observed 5fa4d7f20f33a4f385dfb6a646a91786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:02.825956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022250/publication.md
observed a16ce5e1cbedf898519949397710a0b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:02.806804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022250/publication.txt
observed 1d08a0198f5a8e8bd9688c8f70cd7cc0...
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.