OpenTechnical

OT-2026-000090051

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six 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-2026-000090051) never changes.

Identity and time

Publication numberOT-2026-000090051 · never reused
Internal UUID01a0ae9c-428e-7bbb-b54b-c8e3e2a8e5dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090051
StatusPUBLIC

Content hashes

Canonical text9414987a247ae0222aed405489d26bbb37451f4480e74936c84535914a0951ba
Markdown91f0357201bc03f9fa968b6a9e7a31545ed83657ba7c2fd8736dbfb2434998f1
PDF
Publication page4a363a478d14cd9d044a343b10b6dd812e52abbc7a3b2571a4dca0a395c3c9a4
Manifest0adb39d9d7479745d5ed239fef105ad9ba469cb0c985eb5b1a439c445eaf24b1

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
Signature7d9lf57TMjx9lCSrJabBREJ3FvF9Q4GuNadzPePqgyDXqUf60gpaVynSrP42n316+0vM/IUEhr/8wnyj2+v7Aw==
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

2026-09-17T09:45:27.438181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090051
observed 4a363a478d14cd9d044a343b10b6dd81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.419530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090051/manifest.json
observed 0adb39d9d7479745d5ed239fef105ad9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.399923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090051/publication.md
observed 91f0357201bc03f9fa968b6a9e7a3154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.380714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090051/publication.txt
observed 9414987a247ae0222aed405489d26bbb...
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.