OpenTechnical

OT-2026-000025449

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000025449) never changes.

Identity and time

Publication numberOT-2026-000025449 · never reused
Internal UUID01a0ae71-5fa7-7936-bb46-b3e8ef93e318 · 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-2026-000025449
StatusPUBLIC

Content hashes

Canonical textbc88f25e5a54be70c7d196033bc739943596c7a648c5d30f90028b05fa305c87
Markdownb8fa3847c5d9b0c4490f83295f45b0057cee5d0b1d3e7bffcbb7256e04d69797
PDF
Publication paged7e26be357c32fa740f8aae4cebecb3abab3921b2c22d6fb567ff529c33ccfbc
Manifesta3598b1db9be4d7d4b2902d4adc859e268972c22928553689c824e6bceafb56a

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
Signature7CkyxvGAi7zM8EgIjsWXoSyIBI+v1vbefHmAYYWMu1JeAM+WTCv/KpC1XdydDpDYvfqrc9vlrA0FaCFOP4YUBw==
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

2026-09-17T11:47:31.899429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025449
observed d7e26be357c32fa740f8aae4cebecb3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.883893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025449/manifest.json
observed a3598b1db9be4d7d4b2902d4adc859e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.866428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025449/publication.md
observed b8fa3847c5d9b0c4490f83295f45b005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.847699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025449/publication.txt
observed bc88f25e5a54be70c7d196033bc73994...
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.