OpenTechnical

OT-2026-000033995

Publication integrity record

Two cup 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-2026-000033995) never changes.

Identity and time

Publication numberOT-2026-000033995 · never reused
Internal UUID01a0ae75-df0b-7b6d-a517-529ed2cccb01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033995
StatusPUBLIC

Content hashes

Canonical text3538f4eaf080dd468ea170503620d44b7f94749f870a6ee5ae41066e67ad7f5e
Markdownbf09bbb2d2af4e996b497c638c9be5cb94ea061d92780468d4e37b3d230be4d1
PDF
Publication page418342530bf7746b786c77bfc1659256f4d87f2e0f0e219bfe3b22187498826e
Manifesta4278f73fd87772e93a7c44e84a0c3eb13f926e526162383b85f2c3c3549562a

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
SignatureI19F6LmL12joNdBAAuTU7udB9BaSptYnzcXLJweXkVeaXZkovez16kN3mqaI4DMsRIyfKvO7stySg3LxGba8Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:11.869818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033995
observed 418342530bf7746b786c77bfc1659256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:08.207896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033995/manifest.json
observed a4278f73fd87772e93a7c44e84a0c3eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:08.189493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033995/publication.md
observed bf09bbb2d2af4e996b497c638c9be5cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:08.163756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033995/publication.txt
observed 3538f4eaf080dd468ea170503620d44b...
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.