OpenTechnical

OT-2026-000006959

Publication integrity record

Porous face vacuum gripper, four zone face, two stage ejector, contact triggered, open cell

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-2026-000006959) never changes.

Identity and time

Publication numberOT-2026-000006959 · never reused
Internal UUID01a0a96d-af4e-7ff7-8a4f-8f82a0667d59 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:55:32.944916Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006959
StatusPUBLIC

Content hashes

Canonical text637392e26e537d533720a7e611576bc9434b731bd4540041289a0e73bf41be1c
Markdowne4b3f88f37189075f2acab2dc00258754369f17d195c83d0f6e4c6fd42c96f1e
PDF
Publication pagedf533577d4d493f2292d26374b2f1dba29c8abae189d26ab530c2c4428382508
Manifestd607996a3b52f21113027554a335236ef84f0e591a62e8a7fd844fd51a3c6f83

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
SignatureXPm1HiNsL8VhENdxVy3hP4sXlqu5h++sbWxokTw92akSjV7Hj/BVf9YMgIFIGHa+7uoG5xZrJITteH0kQFVqCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:17.668567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006959
observed df533577d4d493f2292d26374b2f1dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:17.654852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006959/manifest.json
observed d607996a3b52f21113027554a335236e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:17.641922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006959/publication.md
observed e4b3f88f37189075f2acab2dc0025875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:17.627125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006959/publication.txt
observed 637392e26e537d533720a7e611576bc9...
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.