OpenTechnical

OT-2026-000104006

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, pulsed blow-off after set-down

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-2026-000104006) never changes.

Identity and time

Publication numberOT-2026-000104006 · never reused
Internal UUID01a0aea5-15e8-7833-be07-f387c2f437f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104006
StatusPUBLIC

Content hashes

Canonical texta7657218bbf91a10fba2fb8b3a762a1c7c2c83b65c70d27721adf678e30800bf
Markdown4de30a3b8a74506ce11cbb0cb854ee7f3db111574c096a18c1c4a6bdc681a0e3
PDF
Publication page4abf7c9e825bdd96acb0c900c4988256b7470cfe9cc551887469fdb8a9f2fa83
Manifest28fd3e5a89d2544367f08168531afe8bf910ddd3b0d9249d9d9cdfeab5ed95f2

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
Signature7JMOB2WOGCWEyJ6Bn16n/z3FkUsMV0DX1V00UefblkbbP4gnq5t8DupUlcuja2KG6yCg0oTtL/D4EOTdD444CQ==
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

2026-09-17T09:22:00.912972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104006
observed 4abf7c9e825bdd96acb0c900c4988256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.896798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104006/manifest.json
observed 28fd3e5a89d2544367f08168531afe8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.879502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104006/publication.md
observed 4de30a3b8a74506ce11cbb0cb854ee7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.861932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104006/publication.txt
observed a7657218bbf91a10fba2fb8b3a762a1c...
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.