OpenTechnical

OT-2026-000058482

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-2026-000058482) never changes.

Identity and time

Publication numberOT-2026-000058482 · never reused
Internal UUID01a0ae88-f39b-7ccf-8428-d0867e20d07f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058482
StatusPUBLIC

Content hashes

Canonical textdbd2dfcd554dc244d2553b9faa1da4f61828cd8ff161c98fcf0447713ff21206
Markdownd370b7b4db5ea348a6cbe7a81792ac7817433d7df31ad66bbfdf1c2c98c8b325
PDF
Publication page4f5ae4a6407a30e706314dd327d01b18ae155a78a3be592bb991fa27c79f8dbb
Manifest5ab8875d8f4835798fdf5ee9bd487cc7fb8e14772351e3895fdfb65acaab9c36

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
SignatureKLk0lkM3o8ss4zAJuxP6ngJrxNd4FjUPTcEvnUfg/iUneVDhecCqeGhV1t5a9WRc1Ji5GbW7qOMRlGhvqiZWCg==
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

2026-09-17T10:46:56.274923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058482
observed 4f5ae4a6407a30e706314dd327d01b18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:56.258030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058482/manifest.json
observed 5ab8875d8f4835798fdf5ee9bd487cc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:56.239554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058482/publication.md
observed d370b7b4db5ea348a6cbe7a81792ac78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:56.221041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058482/publication.txt
observed dbd2dfcd554dc244d2553b9faa1da4f6...
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.