OpenTechnical

OT-2026-000057793

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000057793) never changes.

Identity and time

Publication numberOT-2026-000057793 · never reused
Internal UUID01a0ae88-6ed7-7b3f-ac5c-ec43ef69922b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057793
StatusPUBLIC

Content hashes

Canonical text7e10be3d0323cd893fbf81932deb0629efc5284529e712f5bedb9b4b5e3418d7
Markdownb4b89edf4742d4c6174579ee3281893b4a842e51abb86115521822cb24c22508
PDF
Publication page965f66ddbb0bd1b126bdeb20c279789f920021464e5a79d731738fc281d59f02
Manifest1587338871c2fb8efbe4f38ab3428aa2bf89469145bee43727fa9b9cc083f692

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
Signaturesg5RCUd84wCRBv+cXxX2iPForCw1ErJpCNdG37xJLFo6QCwfoUBZMMubTW+4HNUZnHZr58nPrx5K0YZgWzEkCw==
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

2026-09-17T10:47:21.312935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057793
observed 965f66ddbb0bd1b126bdeb20c279789f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:21.293473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057793/manifest.json
observed 1587338871c2fb8efbe4f38ab3428aa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:21.275687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057793/publication.md
observed b4b89edf4742d4c6174579ee3281893b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:21.256495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057793/publication.txt
observed 7e10be3d0323cd893fbf81932deb0629...
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.