OpenTechnical

OT-2026-000045052

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, pulsed 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-2026-000045052) never changes.

Identity and time

Publication numberOT-2026-000045052 · never reused
Internal UUID01a0ae7c-f768-713f-ba18-6944958586d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045052
StatusPUBLIC

Content hashes

Canonical text5c9c038cc9f3a31f52511681a1ee46a938a55e2038172d19ae7c64a050c6a5a2
Markdown4bf9b3b67c3ae544b6d46054ed09afc30a28ad5eb3f0181a051e561e9cbba203
PDF
Publication page3e0f81e1caaf5566c0b62fb2971cd1b34886d261ce52250c6cb93b559fcce8c0
Manifest4a729165763ee7157f279f16e46aa2ba7b7a9a91c65db2e7582cd85950016d04

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
Signature71Kdl0FnHg1RpZr0UVnFCTimXleQHUt8G7aCGIvwtp6UfzHgKDb9NiMGtzF0xc8rxmKiu9LYv/opvajEAIdsAg==
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

2026-09-17T11:10:04.539391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045052
observed 3e0f81e1caaf5566c0b62fb2971cd1b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.519951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045052/manifest.json
observed 4a729165763ee7157f279f16e46aa2ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.500970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045052/publication.md
observed 4bf9b3b67c3ae544b6d46054ed09afc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.483707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045052/publication.txt
observed 5c9c038cc9f3a31f52511681a1ee46a9...
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.