OpenTechnical

OT-2026-000045794

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000045794) never changes.

Identity and time

Publication numberOT-2026-000045794 · never reused
Internal UUID01a0ae7d-8f05-7fb7-97ad-65529c5f67b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045794
StatusPUBLIC

Content hashes

Canonical text80b2c40ffd067ca42512ec140a60d30121f7f5111839425eff1aca659681f78d
Markdownd79d94216330d917ac76ebd033bd4b52dc43950750676e56399b0dfa456b4e57
PDF
Publication page4dfc369a10bcf28fb2df2694d764c2571451759ae1062d183e9ed5e7b1a960e9
Manifest3948986e6a9fa64f08040649f7eecf450e07ac6b25c69e8f155201edf3637454

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
Signature38Qw+kO6imYXh/C5sVjIef6EJcb/GCDcEmZzcKhb8l3k4e08hhprFPn9+Q592DldGBkqXpERPRx3kCLDRYX6DA==
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

2026-09-17T11:09:39.538522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045794
observed 4dfc369a10bcf28fb2df2694d764c257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:39.520724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045794/manifest.json
observed 3948986e6a9fa64f08040649f7eecf45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:39.501568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045794/publication.md
observed d79d94216330d917ac76ebd033bd4b52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:39.479519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045794/publication.txt
observed 80b2c40ffd067ca42512ec140a60d301...
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.