OpenTechnical

OT-2026-000068791

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after set-down, on a tool changer

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-2026-000068791) never changes.

Identity and time

Publication numberOT-2026-000068791 · never reused
Internal UUID01a0ae90-6dcb-773e-9de9-e25420b270d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068791
StatusPUBLIC

Content hashes

Canonical text0a6945b2cc544c6ff21d584c81112aaf52c8b47c12b5bb0aaa48a5d20f8f4ad4
Markdown9b3dc8e936535b980878a84a2d6adb39dd703d81643f10ea4a5c2d51807c1436
PDF
Publication page8101b8cf8e22ea15ac1841e92549ac338221164aeb5a4aefbdd6b4522284c66b
Manifest7874a32d0f411e7dd4323f7f1748cd11e4e6114cc2a08826f00b70caa42afdf1

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
Signaturen24v8QUj0Je1YIkgcs57RP1hk0/jye+m73xl0YEynsm6mBYb6s6AhCLaLhBEnNyCZW253aa8EEL5wFtY5EZKBg==
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

2026-09-17T10:28:35.310165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068791
observed 8101b8cf8e22ea15ac1841e92549ac33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.292667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068791/manifest.json
observed 7874a32d0f411e7dd4323f7f1748cd11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.274880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068791/publication.md
observed 9b3dc8e936535b980878a84a2d6adb39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.256102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068791/publication.txt
observed 0a6945b2cc544c6ff21d584c81112aaf...
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.