OpenTechnical

OT-2026-000058753

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000058753) never changes.

Identity and time

Publication numberOT-2026-000058753 · never reused
Internal UUID01a0ae89-479c-7231-ab4b-c21b92eae278 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058753
StatusPUBLIC

Content hashes

Canonical text74f4d0122f3cc3263cc2ee5f9c4f07e1a99e60b4e8f4ec800577445d95b7a830
Markdown02d19097f2068414fb9ce5d2f92fbfc4ae4f0b14dce9fb30cd25ac7658a28c00
PDF
Publication page4833f3b5b085c0ac970cb697f1e26356cf99a5342c0663963395079eb841b97b
Manifest06cc37245cc339fdd85c5f01b24345290afc118a15214b3da995360806e1d164

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
SignaturepK+xqxBO7ANoER5E8Ytt/94XThPcGowyebnHVJdp83FyFtpcr4xgIttjIWsJMfTTghujqxTlLucXa3plslauDA==
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

2026-09-17T10:46:15.554657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058753
observed 4833f3b5b085c0ac970cb697f1e26356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:15.536061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058753/manifest.json
observed 06cc37245cc339fdd85c5f01b2434529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:15.519201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058753/publication.md
observed 02d19097f2068414fb9ce5d2f92fbfc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:15.499469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058753/publication.txt
observed 74f4d0122f3cc3263cc2ee5f9c4f07e1...
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.