OpenTechnical

OT-2026-000062141

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented after 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-2026-000062141) never changes.

Identity and time

Publication numberOT-2026-000062141 · never reused
Internal UUID01a0ae8b-b8b0-7e82-8e9b-251d53686393 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062141
StatusPUBLIC

Content hashes

Canonical text3b111cbcd3297a6db1f9dfb2f8e7041a5c61821dcf49633590e14639b06e9ead
Markdowne53b8968b435001cb91fb4ce876649c2c83af0e6b0123dd96f610e621027caf4
PDF
Publication page95babe4c20483caef5bd89dd87dff30af7b06c3a15a140abf1e37f7f87b401a9
Manifest50c65f098fc644ca61f2b93a13ae99b1d5397d202c67cd1b96c8e2d8aa80dbec

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
SignaturetACK8n49FJNkcTbpcMbfIyn+COZJEDWLtahWaupimBpN3D241eAO62WYR9rTDONXjaigZJwvfEW28BdPxnIiBA==
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

2026-09-17T10:41:12.558324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062141
observed 95babe4c20483caef5bd89dd87dff30a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.542217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062141/manifest.json
observed 50c65f098fc644ca61f2b93a13ae99b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.524915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062141/publication.md
observed e53b8968b435001cb91fb4ce876649c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.507125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062141/publication.txt
observed 3b111cbcd3297a6db1f9dfb2f8e7041a...
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.