OpenTechnical

OT-2026-000045228

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, pulsed 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-2026-000045228) never changes.

Identity and time

Publication numberOT-2026-000045228 · never reused
Internal UUID01a0ae7c-f76a-76f8-8ff1-03033f670fa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045228
StatusPUBLIC

Content hashes

Canonical text6cd159aa2b1776035f9963f97ca49191632dec89e0b639d89c7b71970e9b4ca4
Markdown1dc31377ba871850401c6727222cf37d95b6646c3ca664421b266bae0c957fe7
PDF
Publication page3a8f22dc2854e8c9673bd6d1f7dc1c195cbb7ae5dbb000befaa1c1b068c481ca
Manifest0c543105ef8e8b8d143d941fb5fdadd4eb3c6e02f6ca33215afc8367c096a09b

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
SignatureMqpRZ9U9tsqONYB7Ama0u61CXCtW7/tWaIsRSz/NYs2foSyZ9EJGww+GqazunT0FNmoIpd6Wui2TopC/QzjsCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:25.388681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045228
observed 3a8f22dc2854e8c9673bd6d1f7dc1c19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:25.369758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045228/manifest.json
observed 0c543105ef8e8b8d143d941fb5fdadd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:25.350236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045228/publication.md
observed 1dc31377ba871850401c6727222cf37d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:25.329491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045228/publication.txt
observed 6cd159aa2b1776035f9963f97ca49191...
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.