OpenTechnical

OT-2026-000061201

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000061201) never changes.

Identity and time

Publication numberOT-2026-000061201 · never reused
Internal UUID01a0ae8b-1380-7efd-ac94-872fe4b2b6b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061201
StatusPUBLIC

Content hashes

Canonical text098f58f0832937f07b5a35aa5771458f6c33d7c9202093e5a0b685b27fb2995d
Markdown0396d4e9bfd1c9bead6f7d9f1982b4081d71a3066fd18b6743a30e1a790de388
PDF
Publication page0c893a56cb438905d187cfd53ac46d4f45d88322606a0ab99e21ce60c71c4608
Manifestb89873b0d4e2aa92bb74731fbd12ec1b0996e428dfb518826e8fca194325c22e

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
Signature9PfaZlmiBmXtUl6DftKOmS7Ix2lj2V9AXyuxpT4u2t8A59ee9R+qS+adu3bg3Jx21ZOWHqZdElAFjpEFsPoDDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:36.002074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061201
observed 0c893a56cb438905d187cfd53ac46d4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:35.983340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061201/manifest.json
observed b89873b0d4e2aa92bb74731fbd12ec1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:35.965945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061201/publication.md
observed 0396d4e9bfd1c9bead6f7d9f1982b408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:35.947689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061201/publication.txt
observed 098f58f0832937f07b5a35aa5771458f...
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.