OpenTechnical

OT-2026-000100373

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000100373) never changes.

Identity and time

Publication numberOT-2026-000100373 · never reused
Internal UUID01a0aea3-66ee-7adf-af44-0180023beb14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100373
StatusPUBLIC

Content hashes

Canonical text36a09ec6ce47e75490a310ef57c5a2a7b7a4aaa9f18c09e995932f69d21d70a8
Markdown3b2498da6d8d78ad14389a43f0329180ba8e35858df4b2502093abf62eb1519b
PDF
Publication pagefccbe85cafd2c73708f5ef075690e303079de3a93b05598391daa5a2571f9286
Manifest78f567f913bcc21a012e48243321fd2bdddc0ed876559d6e54679c366e1cdfa8

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
SignatureJLdYsMIMQhuX6JdpQTrP+c70iGwlrTD/uo+/SNnaM+ukiq1l/0WIiSvmNx1kdksMa0vbovI3P01gXSebS7iTBg==
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

2026-09-17T09:27:05.899868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100373
observed fccbe85cafd2c73708f5ef075690e303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:05.882912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100373/manifest.json
observed 78f567f913bcc21a012e48243321fd2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:05.864192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100373/publication.md
observed 3b2498da6d8d78ad14389a43f0329180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:05.788780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100373/publication.txt
observed 36a09ec6ce47e75490a310ef57c5a2a7...
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.