OpenTechnical

OT-2026-000073245

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000073245) never changes.

Identity and time

Publication numberOT-2026-000073245 · never reused
Internal UUID01a0ae92-efb6-765f-8511-d919bb6d93a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073245
StatusPUBLIC

Content hashes

Canonical texta5080d680a1c3985393127b3a5ff3720d4f0d2cd2add228867225d043ce500ba
Markdown671a4e9a7ccb228a02ef12c09b864443764b2454ac87f680291037f234697b59
PDF
Publication paged29c2e670373980bf273d1b1a6550585d7d37266362d989603ea43dd3936a9b4
Manifest74de35f9778be705fc417735be8fdaacdfe54f757dbe906e522e742a0004b2c6

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
SignaturelRNw0dqfofL1hoHRb+nRp7jEfSqzYBPQRQHFIHxHH6WhDLkO7TRM96IH9wjf8RxwDEN0rCv3cT8IAKxXiHPODw==
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

2026-09-17T10:21:14.182496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073245
observed d29c2e670373980bf273d1b1a6550585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:14.161368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073245/manifest.json
observed 74de35f9778be705fc417735be8fdaac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:14.142563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073245/publication.md
observed 671a4e9a7ccb228a02ef12c09b864443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:14.124567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073245/publication.txt
observed a5080d680a1c3985393127b3a5ff3720...
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.