OpenTechnical

OT-2026-000068735

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000068735) never changes.

Identity and time

Publication numberOT-2026-000068735 · never reused
Internal UUID01a0ae90-6dca-75a9-ab77-754adc0547e3 · 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-2026-000068735
StatusPUBLIC

Content hashes

Canonical text6c65836f33cbd9bd98a4ed94d1f7a33ca34ae4469c212a1effb6ffe06123976a
Markdownac54e21f7a887d68121e8b541d902b14d9bee4b0ea86893baa699e52e942f357
PDF
Publication page006ed98e58378096e20f58fa48f0e14ce2f5619636203cf5a1a39491cd72979a
Manifest26a079ad66b2fb96533f34b7d7884155542ad01bd329c0e4c555b3bf376cfa9f

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
SignaturePsvT1UNXsX5ilnj4/NHG3Efg1HGY9XAFPlqLPrm7apL/SiysA3ih8InNC8OLumK/kuHOaDv9dtjdV7cGt2ZfAw==
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

2026-09-17T10:28:30.702409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068735
observed 006ed98e58378096e20f58fa48f0e14c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.684657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068735/manifest.json
observed 26a079ad66b2fb96533f34b7d7884155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.666871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068735/publication.md
observed ac54e21f7a887d68121e8b541d902b14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.649830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068735/publication.txt
observed 6c65836f33cbd9bd98a4ed94d1f7a33c...
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.