OpenTechnical

OT-2026-000089956

Publication integrity record

Two cup vacuum gripper, two 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-2026-000089956) never changes.

Identity and time

Publication numberOT-2026-000089956 · never reused
Internal UUID01a0ae9c-428d-78fe-b633-ba9b1916fcd1 · 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-2026-000089956
StatusPUBLIC

Content hashes

Canonical textfe5621a1509baeb39267854a4348ad05aa05ea0021d38091b04993167e2b1ce1
Markdownac1c6b14672bd564e73b7ede1b6b98649eb5e82827cd41ffebd4dff042449a86
PDF
Publication page40f15ef2d63a5bdb6b3f77bde651c2e4e977840ae08970f2f7ebc3c3b4963f22
Manifest4c3272b74f47eab4a289fdfaa41f2777b87f96328af9de3c54f425ae824319a1

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
SignatureEfLOY8N4AZ5US3+0saUHtr3Ap8cI6wBp72rnfQ9jzCLJ6DCwOhrSpZX+ZxKCWmoHhuKF+zxXcnh7wyeQwY7LAQ==
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

2026-09-17T09:45:20.298070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089956
observed 40f15ef2d63a5bdb6b3f77bde651c2e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:20.281189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089956/manifest.json
observed 4c3272b74f47eab4a289fdfaa41f2777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:20.262580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089956/publication.md
observed ac1c6b14672bd564e73b7ede1b6b9864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:20.243052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089956/publication.txt
observed fe5621a1509baeb39267854a4348ad05...
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.