OpenTechnical

OT-2026-000051874

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, vented before 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-2026-000051874) never changes.

Identity and time

Publication numberOT-2026-000051874 · never reused
Internal UUID01a0ae83-7c84-7255-9035-86f491ce96c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051874
StatusPUBLIC

Content hashes

Canonical textfec44526cffc0a46090e6214ddf51b16c4eb3c8f1f95d4c8a52718176c102dca
Markdown253c5bd045c5365ed4833cc1036d8d9b5cff4740cd6cd3115d8ef94151af715f
PDF
Publication page2dead359ff39007089130b2e370bd0154a3752d0a397f0681be176535a994509
Manifest65733e1639077f52e831e2c146afc021dd1992f6e14fb093bc51b81eec2d678d

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
SignatureBWoUf6n00xWg3s3B5zpMGnApRzWBM0Ael8L/SPiMJ19VllCoSpVy9+aT9Ug8r8owaP5CaZuHB+QHkQsIBCDEAQ==
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

2026-09-17T10:58:48.676648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051874
observed 2dead359ff39007089130b2e370bd015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:48.659899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051874/manifest.json
observed 65733e1639077f52e831e2c146afc021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:48.639823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051874/publication.md
observed 253c5bd045c5365ed4833cc1036d8d9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:48.620769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051874/publication.txt
observed fec44526cffc0a46090e6214ddf51b16...
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.