OpenTechnical

OT-2026-000017992

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000017992) never changes.

Identity and time

Publication numberOT-2026-000017992 · never reused
Internal UUID01a0ae6e-96fc-7998-ba61-a6182b109880 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017992
StatusPUBLIC

Content hashes

Canonical textc6ec179a6ad12aab126df1b6b7c0ea023e2ef303f41a4f9e967df29758d9c27a
Markdown9ac58ad495b46d2a20afe87b8fca31424610c69f83eebfbce88ba955e1984572
PDF
Publication page3fd67d902a8697614b9b471a0fcd8f53386f89f249468ef75f532af3a0cc8a28
Manifestebce0ca993bfc0d51a2e0de105fe70aac0d273e13472efa5186bcefbb2525bd3

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
SignatureeYSOcZCJ6+C1wNoG6V0N7zp8zN7C7sAuvHX+z1MN8Gjfm226MzKDEiB9Uo7zD7BW6Hh8jXx+y9eNWctAHj/RBA==
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

2026-09-17T12:02:00.749581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017992
observed 3fd67d902a8697614b9b471a0fcd8f53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:00.731588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017992/manifest.json
observed ebce0ca993bfc0d51a2e0de105fe70aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:00.713130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017992/publication.md
observed 9ac58ad495b46d2a20afe87b8fca3142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:00.696207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017992/publication.txt
observed c6ec179a6ad12aab126df1b6b7c0ea02...
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.