OpenTechnical

OT-2026-000089911

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000089911) never changes.

Identity and time

Publication numberOT-2026-000089911 · never reused
Internal UUID01a0ae9c-428d-7224-961c-34f2e5fbcfcc · 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-2026-000089911
StatusPUBLIC

Content hashes

Canonical text69aaa256e267bb69fdb6d77894793c975f5007749be53d580b1b22b617708b40
Markdown6bee0a8ec975b8342081ccbdf434aa6e6fdca167d89a7f4321b8e83531a2e4b0
PDF
Publication page016e1660f333006926c1deab99187d553ec48bf0faed805af76c64b89259f45f
Manifest4c951451b0e24cca9022bb5b44448eec110b72cd647676401a2f3b1a97ee33a1

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
SignatureaeO/0iDaVV6nbJjsmmkEpbVPtV2nbumWeSAAO4CTaEK9Vkli6QRzq40aTHOGg66QcqC7Nn4geSKh4nhJbggqBQ==
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

2026-09-17T09:45:10.831713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089911
observed 016e1660f333006926c1deab99187d55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:10.812798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089911/manifest.json
observed 4c951451b0e24cca9022bb5b44448eec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:10.794221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089911/publication.md
observed 6bee0a8ec975b8342081ccbdf434aa6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:10.774480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089911/publication.txt
observed 69aaa256e267bb69fdb6d77894793c97...
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.