OpenTechnical

OT-2026-000056960

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, sustained blow-off after 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-2026-000056960) never changes.

Identity and time

Publication numberOT-2026-000056960 · never reused
Internal UUID01a0ae87-7af9-711a-bcb5-38cca05fa0ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056960
StatusPUBLIC

Content hashes

Canonical text127b5120a9640b6778492d3abad53683a9f6d2d07e957236e8294aa5dc73a928
Markdown32838cb5292f65ced16e6c0cb975bc4bef854fbf5fdb3da6027526af017cc06a
PDF
Publication page7ef8f13b504d3d8baf23782f803d8f96b57f725948bc0eda605bb79ab661bf87
Manifest73f1a5c0ac15416b54983eaef6c3262cd719bff90190da5cb96ba3a6943972de

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
SignatureQtW8uFxQ5uGthRHmz1Mu615Jdjoz0DHf8om2caLmIJ7ByBf+I/Piwr1KC6SCY2sQinfDAdukkm9X0l/nUUnWBw==
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

2026-09-17T10:50:30.900242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056960
observed 7ef8f13b504d3d8baf23782f803d8f96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:30.883976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056960/manifest.json
observed 73f1a5c0ac15416b54983eaef6c3262c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:30.866433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056960/publication.md
observed 32838cb5292f65ced16e6c0cb975bc4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:30.849462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056960/publication.txt
observed 127b5120a9640b6778492d3abad53683...
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.