OpenTechnical

OT-2026-000048014

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000048014) never changes.

Identity and time

Publication numberOT-2026-000048014 · never reused
Internal UUID01a0ae7f-c423-71ad-a032-c98ed929df54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048014
StatusPUBLIC

Content hashes

Canonical text98f731a009a3f08fc368e155fc3d3a10f5cf388b86074db838453e97e01f5c65
Markdown9c944a2ad73dbcf6ab611ed798e0db6bb03782b45e0db2562814484e04d6283f
PDF
Publication pagec9ebe78463faf04d1e1a32186c1654b18cfdfb555c9c95d2e9ccfd9af7215336
Manifest8bb8dabf33451801cabda3c9569e8d450f573bab5533b82ae3d40f5f46ac2ac5

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
SignatureFiFKrAX5qEG9kf5qUZSl9bL2NAfhgdoXWAzBmEDZXjqifTYRQWM60zqw001dQoAtyP12ihvW6/ivi7ZfzZYoBw==
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

2026-09-17T11:06:00.428781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048014
observed c9ebe78463faf04d1e1a32186c1654b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:00.409543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048014/manifest.json
observed 8bb8dabf33451801cabda3c9569e8d45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:00.391072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048014/publication.md
observed 9c944a2ad73dbcf6ab611ed798e0db6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:00.369600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048014/publication.txt
observed 98f731a009a3f08fc368e155fc3d3a10...
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.