OpenTechnical

OT-2026-000025432

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000025432) never changes.

Identity and time

Publication numberOT-2026-000025432 · never reused
Internal UUID01a0ae71-5fa7-7399-b9ba-3ae5f68308d2 · 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-2026-000025432
StatusPUBLIC

Content hashes

Canonical text65c33754cbb0a9e82b0b4b34ece54b9292e1b1e49db18c945ba92cf830810e2c
Markdown981d247371fa741875be5fd821d70693b642ad6b5f3e5fe4645c9d2210841dc6
PDF
Publication pagec26eef94b4dc86e3df4f8dc517818740cef18bee270fd45a0d80d34191e7ad89
Manifest754871cf59a3cf34d7e5f4b929dfdfaf98563eea9ac79347531921f1062da4c2

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
SignatureWimHvOQTXQlfpvQZXQbezEAMzBDqcqnJvXui/2NVZNPFqx/jQUOYJTmzNK7OPpeprXQo9FjsZ9HkSKFP3AAyCQ==
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

2026-09-17T11:47:30.734622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025432
observed c26eef94b4dc86e3df4f8dc517818740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.717715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025432/manifest.json
observed 754871cf59a3cf34d7e5f4b929dfdfaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.698247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025432/publication.md
observed 981d247371fa741875be5fd821d70693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.680521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025432/publication.txt
observed 65c33754cbb0a9e82b0b4b34ece54b92...
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.