OpenTechnical

OT-2026-000089391

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, manifold 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-2026-000089391) never changes.

Identity and time

Publication numberOT-2026-000089391 · never reused
Internal UUID01a0ae9b-db01-71b1-b34a-ac9ec80bdf0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089391
StatusPUBLIC

Content hashes

Canonical textfa48f11b08c9114c939e27f3e91517b0864807010343c32523b0122f00fbb255
Markdown8398a8944d4eb2770b7f1335332a662db81ce40376ad2217f431f9421648b843
PDF
Publication paged40087153e2f03a42c21b51487d68628d2c74662f6d69f06e7214490479b5f94
Manifestcb7c6618e64dbaf511539d60cbb86913246812f2a5816d3a0d5c403e4785ad85

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
SignatureqsLGytYQDqpTuCZsNCZas6/D5AM0o7dhxZmrDjEcUiDZtw/ibSJ9/y74z276W1RpaZMhNBpZER+9K4sV7qwTCA==
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

2026-09-17T09:46:55.042308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089391
observed d40087153e2f03a42c21b51487d68628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:55.023680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089391/manifest.json
observed cb7c6618e64dbaf511539d60cbb86913...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:54.992063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089391/publication.md
observed 8398a8944d4eb2770b7f1335332a662d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:54.959598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089391/publication.txt
observed fa48f11b08c9114c939e27f3e91517b0...
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.