OpenTechnical

OT-2026-000070117

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000070117) never changes.

Identity and time

Publication numberOT-2026-000070117 · never reused
Internal UUID01a0ae91-1861-7141-be9d-c76afce3d41e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070117
StatusPUBLIC

Content hashes

Canonical textc5f9b93fa867ad5d5aa5c464bf93c2d1b5ada77f5a7c6938c35227e630b60516
Markdownba3eec24e82b9f8750c24fd3e376f3ea0c592e5a93f51761356d4226571ca854
PDF
Publication page72db17a5d912f9978c65f967aab5b21d5b66d930fc9798bd0b3e1749af7ecb83
Manifest115f99526424bcc03da3fde4cb514efb2bc306fdda8278eab56dc5e947a470d8

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
Signature3RpLzhIS0e7ZNFMjGWzxEJVCMMngvJbtn+1WSaaGbvglFJtQ8UayRFbUQEsKv+M9qKTPRdgcnkzlk1ttsZiVBg==
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

2026-09-17T10:27:05.487141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070117
observed 72db17a5d912f9978c65f967aab5b21d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:05.469352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070117/manifest.json
observed 115f99526424bcc03da3fde4cb514efb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:05.452094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070117/publication.md
observed ba3eec24e82b9f8750c24fd3e376f3ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:05.432263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070117/publication.txt
observed c5f9b93fa867ad5d5aa5c464bf93c2d1...
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.