OpenTechnical

OT-2026-000056210

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented before 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-2026-000056210) never changes.

Identity and time

Publication numberOT-2026-000056210 · never reused
Internal UUID01a0ae87-4bd1-789f-900b-6bdd178d8c26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056210
StatusPUBLIC

Content hashes

Canonical texte06c47463a83dec4db12cddaf343c1fc04cf0c214809da20d61b92b6add0a06d
Markdown0d881fe76e41cd4ee052f797376e42763268482ec7958896b1c1a30f76078836
PDF
Publication page2d399ac4c12479c0f616565217af105561d1de82245f6285580dac08b99817b4
Manifest45a5e441c11850d5a86a46ff69446630972a1c915ee5495ba4f450d6ae29e4bb

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
SignaturexDI8XKx3yn8ZUGVN0UIku2WJzSX73uuKhSEL/kE/sPbnZ0CbYbAGjIYg6H6Z5L2OyWFMTgbwlOGZJkfm+72ECg==
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

2026-09-17T10:50:40.988529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056210
observed 2d399ac4c12479c0f616565217af1055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:40.970946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056210/manifest.json
observed 45a5e441c11850d5a86a46ff69446630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:40.953680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056210/publication.md
observed 0d881fe76e41cd4ee052f797376e4276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:40.935873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056210/publication.txt
observed e06c47463a83dec4db12cddaf343c1fc...
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.