OpenTechnical

OT-2026-000061620

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000061620) never changes.

Identity and time

Publication numberOT-2026-000061620 · never reused
Internal UUID01a0ae8b-7b45-758a-812d-f8802a648c27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061620
StatusPUBLIC

Content hashes

Canonical text9a22f70de3e6c40d162c69c84ff8144e99f43d3423047a947b6c71cf0d9dd093
Markdown36e73a74ddad30b05d8542f06b8c29a39d09e51157f3a0442318ad05bb5c06bd
PDF
Publication page709120ac54f6198b1be0ff22478709154ab47f1283643410c172739955dfafb0
Manifest5a0c663956d70c8f0cd0588f0d340a4fe91fc0c070df89d7b9b92ffb202cdd57

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
Signaturedu2iRPYHNhbzWdsaBQjw3rvmbs84hctF+WmrHZOVCvD5+rQkbCMq95GucPv4Z9N7Vy/9i90X1/Olz2mZ3p1JBQ==
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

2026-09-17T10:41:33.185833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061620
observed 709120ac54f6198b1be0ff2247870915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:33.165463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061620/manifest.json
observed 5a0c663956d70c8f0cd0588f0d340a4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:33.148324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061620/publication.md
observed 36e73a74ddad30b05d8542f06b8c29a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:33.127379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061620/publication.txt
observed 9a22f70de3e6c40d162c69c84ff8144e...
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.