OpenTechnical

OT-2026-000025151

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three 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-2026-000025151) never changes.

Identity and time

Publication numberOT-2026-000025151 · never reused
Internal UUID01a0ae71-5fa5-79c9-955a-597db3317d1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025151
StatusPUBLIC

Content hashes

Canonical text6b4c3147bf44fc39b1d48a843e86ab247dc2242c49782218a54ab31c43708f2c
Markdownd4f0a1f04b8bda7f203a1e71b1a9cb947c8161c25d85a6444d5c4583eb9ead32
PDF
Publication pageacac89b0d00a38e08e950fe16c046d7637287160fe095280083a295b2d90836e
Manifest4a9a5956b2e75ff91433289d2c2e4f3fddccd06e53958733f8370de8d4aef067

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
Signature6yHTg6m5XP7cxsscQyTvquHeoyONA7tBPCgEv10Ru3SWATguG3nnlzaTMIynI4zk+TJKKI+0rX75IDaqiGqcCw==
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

2026-09-17T11:47:02.280615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025151
observed acac89b0d00a38e08e950fe16c046d76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.261471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025151/manifest.json
observed 4a9a5956b2e75ff91433289d2c2e4f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.243161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025151/publication.md
observed d4f0a1f04b8bda7f203a1e71b1a9cb94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.222403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025151/publication.txt
observed 6b4c3147bf44fc39b1d48a843e86ab24...
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.