OpenTechnical

OT-2026-000054268

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000054268) never changes.

Identity and time

Publication numberOT-2026-000054268 · never reused
Internal UUID01a0ae85-b3a9-73d2-8e72-f6122d222eff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054268
StatusPUBLIC

Content hashes

Canonical text98563d98b0176c9571deb403b7b9c7791dfa5a6fa67f5f4bbb9c4fecde99694f
Markdown67faf98fb5cf3d1218c0ea54ddee3b21adf8c9b011675504792abe896f84afb2
PDF
Publication page6baf4592248f02bd5001ebc3180c90aeef9551518d1455a9f769d79e860a1b64
Manifest3b2bbbbccd6950f1a22fad9cd35aeaf58796a8187fbf59e361190dc80d9b4942

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
SignatureAiq+M4Sljpk618jBf2s552hAcxOFWjkq04gbvaem3QOb25NemY+MMBM1S+x5Qrzhi8QBqdl0FdhOXhCmjH/RDw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:45.592124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054268
observed 6baf4592248f02bd5001ebc3180c90ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:45.575203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054268/manifest.json
observed 3b2bbbbccd6950f1a22fad9cd35aeaf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:45.557447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054268/publication.md
observed 67faf98fb5cf3d1218c0ea54ddee3b21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:45.539107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054268/publication.txt
observed 98563d98b0176c9571deb403b7b9c779...
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.