OpenTechnical

OT-2026-000044370

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000044370) never changes.

Identity and time

Publication numberOT-2026-000044370 · never reused
Internal UUID01a0ae7c-39d7-74e4-a67b-a83cd09fe212 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044370
StatusPUBLIC

Content hashes

Canonical text616a32e7064b81b0c478649ac434771b46d426dec39a4c54813230ed53f9c7dc
Markdown9abea9dfe16cd0d0aa1645923522e117a0cab70e040c2824c991ab2c82e37049
PDF
Publication page7d921e2b0b32ee6fa86cb37191a7c9d9faf1d9842d230568c2d65da703c03978
Manifest5a8bb341b0634efe44e20198cb2be8640acf02635deea98e50e51115409213d4

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
SignatureILkHMeklNNmkxoBNaeVwAuwU6LwLUKTYYL3GMCskjL+ivw7cyxYJu+fLie++NVyqZ3L9UJXEPRVsAH5py1YkCQ==
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

2026-09-17T08:30:31.744990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044370
observed 7d921e2b0b32ee6fa86cb37191a7c9d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:31.299104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044370/manifest.json
observed 5a8bb341b0634efe44e20198cb2be864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:31.275680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044370/publication.md
observed 9abea9dfe16cd0d0aa1645923522e117...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:31.251818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044370/publication.txt
observed 616a32e7064b81b0c478649ac434771b...
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.