OpenTechnical

OT-2026-000095508

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single 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-2026-000095508) never changes.

Identity and time

Publication numberOT-2026-000095508 · never reused
Internal UUID01a0ae9f-8f74-770c-afbd-ae9eb1a42f8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095508
StatusPUBLIC

Content hashes

Canonical text398c5d582a70861e7e89e0110be2ee0cd0ba67ff10bccec62d2a0c6026981f50
Markdowna5b3195cdebf6c1193009b521cca968c5825049bf326dd626121c862d8ac1c72
PDF
Publication pagee3d802be8b89ce3acc3bb03ff7d6d96901a10b0e0003ee7898116bcd396927c6
Manifest3dcf628067dd39d6042faa05fbe28e5fd98e0a6a4c5c20ee600602f4465a46d9

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
SignaturenwGpZSE4GulEArCn+dYhciF3wufCs3O26G/q2fkwJ2RYmMtsPAvQFx3HSMktuF6wb0QmA0yOLInpl35tpOvZCQ==
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

2026-09-17T09:36:54.924893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095508
observed e3d802be8b89ce3acc3bb03ff7d6d969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:54.909410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095508/manifest.json
observed 3dcf628067dd39d6042faa05fbe28e5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:54.891949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095508/publication.md
observed a5b3195cdebf6c1193009b521cca968c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:54.873546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095508/publication.txt
observed 398c5d582a70861e7e89e0110be2ee0c...
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.