OpenTechnical

OT-2026-000042567

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, manifold 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-2026-000042567) never changes.

Identity and time

Publication numberOT-2026-000042567 · never reused
Internal UUID01a0ae7a-c0cd-7274-8e5d-83e2c286bc5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042567
StatusPUBLIC

Content hashes

Canonical textf0dd3d47637babc639c994ca27b23d206d49651db4bc1eed5363f3a5cf779e18
Markdown5daa47f45f0c89053cdc2c7042804d1b7b42e5057bf75399d854d3e99635a74b
PDF
Publication page8e6872e614bb2901d36b945cc48db6d45a7306f28338b4d163a681466a6c089e
Manifest71da5dc33964581679595dffc51794e8ec31e2752d99c8fc93aeb929c5408ab7

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
SignaturevOw0lO3ACqi4tiv8rT/kwMgWRxPo6rVQKXtECIU/j1Ql5cZ1M6WdCPKqZvIyIL3R2d4MyUgfbZ/8PZXgHQohBg==
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

2026-09-17T11:14:16.766757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042567
observed 8e6872e614bb2901d36b945cc48db6d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:16.748351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042567/manifest.json
observed 71da5dc33964581679595dffc51794e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:16.729507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042567/publication.md
observed 5daa47f45f0c89053cdc2c7042804d1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:16.710581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042567/publication.txt
observed f0dd3d47637babc639c994ca27b23d20...
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.