OpenTechnical

OT-2026-000103373

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, pulsed blow-off 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-2026-000103373) never changes.

Identity and time

Publication numberOT-2026-000103373 · never reused
Internal UUID01a0aea4-e460-784d-87a4-a8684d8d1cff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103373
StatusPUBLIC

Content hashes

Canonical text5e75d87829689ab947bde8bd7027b4c261cc13c5bc36144eed04f7b21e95380e
Markdown11db8b43972bfc65962ecf77fd8cd69fb4de9f35899924f799da3c7801f4906c
PDF
Publication pageaaab27dc54737de40b7088465e13522c72934a5d75bd341b82c21b1e623f5a14
Manifestb727f37e9265da077530567fd0534882837ac4572665089e86081a980a52db50

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
Signature/8R2BQcAPcpanQbc+DOxU3Xvjemf5wtUnSqBba0cV47omKr3h1YSYD69ArDb240+pvkpAntY8e3tbKJP0yUzAw==
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

2026-09-17T09:22:06.611021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103373
observed aaab27dc54737de40b7088465e13522c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:06.593575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103373/manifest.json
observed b727f37e9265da077530567fd0534882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:06.575725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103373/publication.md
observed 11db8b43972bfc65962ecf77fd8cd69f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:06.559458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103373/publication.txt
observed 5e75d87829689ab947bde8bd7027b4c2...
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.