OpenTechnical

OT-2026-000101229

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, two stage ejector, pressure sensor per zone, sustained 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-2026-000101229) never changes.

Identity and time

Publication numberOT-2026-000101229 · never reused
Internal UUID01a0aea3-c378-737d-8a3d-dcfeb4e28178 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101229
StatusPUBLIC

Content hashes

Canonical text6ce5700a50f07b3a1b4727f9bafccf7fe77331a492153adb2dfc3699132cb1cd
Markdown522a56d9e80506e6629c199c872264e585f49a29d5b5b0b930fbf76ce51ca15f
PDF
Publication page72e42dd046c3c2fb1e24624a7c2ad74c13982c90f40bdff59f34f77460ad4b54
Manifest48b5838abd3fedecebb50226c276f15987e05590eedf139495d8b75cc0d73bda

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
SignatureV+HtHAliqLwBMSAKJb4H09q+l9ofAU2jCko9z2m/yW//dn3krKWCNj7jDmVetUgy2MznGANKottUbaVhUzfqBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:53.224342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101229
observed 72e42dd046c3c2fb1e24624a7c2ad74c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:53.207962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101229/manifest.json
observed 48b5838abd3fedecebb50226c276f159...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:53.191875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101229/publication.md
observed 522a56d9e80506e6629c199c872264e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:53.173982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101229/publication.txt
observed 6ce5700a50f07b3a1b4727f9bafccf7f...
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.