OpenTechnical

OT-2026-000045549

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000045549) never changes.

Identity and time

Publication numberOT-2026-000045549 · never reused
Internal UUID01a0ae7d-8f02-7222-84cb-63a3457bbe83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045549
StatusPUBLIC

Content hashes

Canonical textdd633eea441fac4aa14f7215868c19caef91625ae560699da05720cdcdeec2fd
Markdown7115e8a63e04547ff4fdecd8ea9446b3af0e88491a3fb4108a512551c5b8f2d7
PDF
Publication page80e6f8d1298ca2553297c46c6309d79c5a3a1edc26c2aed202fb5f75203a6f99
Manifest5dc3a234ac91f006dad7747cc320c93ef4d6307d5f581578edd3fa4b1529b4fc

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
SignatureMFYm0RXK28cOHTdH7Is1cHR3JDX1BeAfDfch7KMtSoGUf7H2e6DrgO9K/HHrlBWycsraQKLmM963Ew2zrVsMCA==
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

2026-09-17T11:09:18.078588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045549
observed 80e6f8d1298ca2553297c46c6309d79c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.060560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045549/manifest.json
observed 5dc3a234ac91f006dad7747cc320c93e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.042980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045549/publication.md
observed 7115e8a63e04547ff4fdecd8ea9446b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.024801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045549/publication.txt
observed dd633eea441fac4aa14f7215868c19ca...
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.