OpenTechnical

OT-2026-000025112

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000025112) never changes.

Identity and time

Publication numberOT-2026-000025112 · never reused
Internal UUID01a0ae71-5fa5-770b-96a4-f3497c314c22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025112
StatusPUBLIC

Content hashes

Canonical text7446c07dbb0d453eb62f8f980aad21387feb68d68169615a3e3991a1e9467a70
Markdown9a286e3bc228a2146708ec002229ed1d0701fd3cbe63aba6e918d5922daa5d57
PDF
Publication page0001a6fb6aeb409fdd56310c6ca9fc0c7727552b7bd5f4ceac8f9568759ebc50
Manifest5e062e2d27bc88ae3c8cba9ec369f0d045e63aaa4f0e68309b22abb388c97764

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
SignaturetNqIaxoJewPumJurPbvMbrDZX5LSeh7QXw3CX7PgoYKXEPnl/ZmNBpJwH40GYwXQW3ircccFzI+FVzuCJD2CCA==
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

2026-09-17T11:46:59.176633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025112
observed 0001a6fb6aeb409fdd56310c6ca9fc0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:59.154649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025112/manifest.json
observed 5e062e2d27bc88ae3c8cba9ec369f0d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:59.136682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025112/publication.md
observed 9a286e3bc228a2146708ec002229ed1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:59.113560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025112/publication.txt
observed 7446c07dbb0d453eb62f8f980aad2138...
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.