OpenTechnical

OT-2026-000041153

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000041153) never changes.

Identity and time

Publication numberOT-2026-000041153 · never reused
Internal UUID01a0ae79-b142-7ec2-9277-f502b9b69e58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041153
StatusPUBLIC

Content hashes

Canonical texta5fa0b1f93796bfcbc097b1c27f18fc87f78aaaaf3508fc3ef7ca68df4179fd5
Markdown6333ac5131f05491463b2e9839eb02793d30abdba678ded6efadc982cc3ff15e
PDF
Publication pageed228053a9a9ff8577ee8bec4593f9129644f3d87bb34a38872113c265d0601e
Manifesta3bdc5b270bf1627f202f87dae132d1ac383280927686a01eae13ba1d488d4ff

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
Signature6NWZ9pMEmHQgWhlwtwvsbP1DMWatNWPaeJb/sNZ+6zdUO2LEmNHcOW3IRhZ/A8cGpFy1muN3NMZAi3izNw55CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:17:05.740569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041153
observed ed228053a9a9ff8577ee8bec4593f912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:05.722281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041153/manifest.json
observed a3bdc5b270bf1627f202f87dae132d1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:05.703432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041153/publication.md
observed 6333ac5131f05491463b2e9839eb0279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:05.685917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041153/publication.txt
observed a5fa0b1f93796bfcbc097b1c27f18fc8...
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.