OpenTechnical

OT-2026-000025412

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000025412) never changes.

Identity and time

Publication numberOT-2026-000025412 · never reused
Internal UUID01a0ae71-5fa7-7c29-a55c-c3c8e6dee196 · 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-2026-000025412
StatusPUBLIC

Content hashes

Canonical textbd66b630753d9f46b3368d93f313544ed7f8c3c667915e27eace3af73c7a4ba0
Markdown5e190c2f5e919c75131ba6defb729afb7e671f3d8094b0ebb32272b9e1c00c5d
PDF
Publication pageb8572e2bb7628b59f25986e033ad10a022afe8e86d0308a22cea0a977f0296b5
Manifest24d17a698e8850ea30c2db778b983be9d28b43e2fd302d9c1d869dcc8118f71e

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
Signature+dtrO12aAAszO9gXVko0xTYGEoqxUspmBqJNSR73aFmSQ1AtDdoayGmpmd691i4qn8mopChCahL39BV1d+xJDg==
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

2026-09-17T11:47:29.121919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025412
observed b8572e2bb7628b59f25986e033ad10a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:29.103196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025412/manifest.json
observed 24d17a698e8850ea30c2db778b983be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:29.085326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025412/publication.md
observed 5e190c2f5e919c75131ba6defb729afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:29.068832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025412/publication.txt
observed bd66b630753d9f46b3368d93f313544e...
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.