OpenTechnical

OT-2026-000023303

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000023303) never changes.

Identity and time

Publication numberOT-2026-000023303 · never reused
Internal UUID01a0ae70-7268-7472-8a7f-de2fe3957901 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023303
StatusPUBLIC

Content hashes

Canonical text6ee0f55a5f7c5cbc736fdee50799b9ee8b8034564291f3b9ba008110d984a23c
Markdown8e537a3fff21dc97187c26f8c6521c403f95df092f8addb9e5e6e56944876ea2
PDF
Publication page4fe1e4046b03d13251db24651f4bc222aba89777a40f74e1b68d397178734c61
Manifest00d194430590077f4bc022a6c3244f1404999eed4bee130ac2635fa198e8e7b5

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
SignaturetUqg2zUdT4DTvp8IkTv5vUW64Qn26pzQ97/OvJbZf8SnbECKko/gNuSGUG51xA70jUtoO+gNUoIPx1I40xEHAw==
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

2026-09-17T11:51:23.097584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023303
observed 4fe1e4046b03d13251db24651f4bc222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:23.081824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023303/manifest.json
observed 00d194430590077f4bc022a6c3244f14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:23.066773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023303/publication.md
observed 8e537a3fff21dc97187c26f8c6521c40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:23.049811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023303/publication.txt
observed 6ee0f55a5f7c5cbc736fdee50799b9ee...
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.