OpenTechnical

OT-2026-000058258

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000058258) never changes.

Identity and time

Publication numberOT-2026-000058258 · never reused
Internal UUID01a0ae88-f397-7da5-82e0-b1fb177af18f · 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-2026-000058258
StatusPUBLIC

Content hashes

Canonical text23bb5fb0b72a9f19a3afcc1fd042e80d572de0044b95cbc6292552984615ec0b
Markdown2b5ef26cc10bf691a65d45d442191dc31076dac9132555db83f262fe32937f05
PDF
Publication pageafdba67f0627711965ef0897b859f0232420b46f4408d2ec968053248e9c46d3
Manifest4c6b503bdd35fbc464aaa84180999bedcab8fffa867541c366504ffa5be9149d

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
Signaturehi5VQ9xM4a789n/7ggini6V//Y/MG6oyN9BTUaPQwsC6jKzaYDO3yHZFWO3yqkRnRmtsq5dC36bwvr6BfuA1Cg==
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

2026-09-17T10:46:38.471503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058258
observed afdba67f0627711965ef0897b859f023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:38.452774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058258/manifest.json
observed 4c6b503bdd35fbc464aaa84180999bed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:38.432268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058258/publication.md
observed 2b5ef26cc10bf691a65d45d442191dc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:38.413627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058258/publication.txt
observed 23bb5fb0b72a9f19a3afcc1fd042e80d...
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.