OpenTechnical

OT-2026-000084310

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, sustained blow-off before 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-2026-000084310) never changes.

Identity and time

Publication numberOT-2026-000084310 · never reused
Internal UUID01a0ae98-5b61-7635-94c1-ed03ba7549f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084310
StatusPUBLIC

Content hashes

Canonical text0f686ebcf540d231453fdbfac3cb7f0012866a141d24cde1a9470e6c739ea2d2
Markdown25d2b2aeabe38c1115060525a61bd06df49a86a0a1d105cf1729bb6e25af8ec3
PDF
Publication page3617869bd1b6169e1cfec9d92a5f38b1dfcc2439b03d06ab8d5222f1ae87d202
Manifestd269298dc500fdb90b7c7a7953f362fc8dd5d9be4b3168645a249da69d06926a

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/JNMwQAY+ZxuUwOPPh0rrFp2F+o2j6SrMS333jEX4s37G8v8ahwkWpDzQic0F3jALwlR44mRHjOC0C9067XBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:13.948953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084310
observed 3617869bd1b6169e1cfec9d92a5f38b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:13.929624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084310/manifest.json
observed d269298dc500fdb90b7c7a7953f362fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:13.913566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084310/publication.md
observed 25d2b2aeabe38c1115060525a61bd06d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:13.896087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084310/publication.txt
observed 0f686ebcf540d231453fdbfac3cb7f00...
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.