OpenTechnical

OT-2026-000033654

Publication integrity record

Two pad foam 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-2026-000033654) never changes.

Identity and time

Publication numberOT-2026-000033654 · never reused
Internal UUID01a0ae75-a390-775e-91dd-9ab9e4a94303 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033654
StatusPUBLIC

Content hashes

Canonical text4ed7351991f86d73c4a2588225afd7bcc14c0b2c7a0d2d0d3ae98ca4b8fc84c1
Markdownb97b666452a0f8f472887f8e0623f73bf00d19537b4ea2a43a6c42aad56a5478
PDF
Publication pagea19229159fb93d54e65766524396a10150e4b609ced71bf2cf1818b000f412ca
Manifest56540655bf0a24506362a9daefbd9e3a5ca1f8bc2d5c3ecd543899acf75f712c

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
SignaturelKiaHU7JILXrFmqsxD0irvu+jsonyqJEts8ctUbeCpvvDQXOz4LdFjh5zCDCI2WRNCqiTItTzbFy8UwqaIqUBA==
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

2026-09-17T11:31:38.360350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033654
observed a19229159fb93d54e65766524396a101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:38.341495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033654/manifest.json
observed 56540655bf0a24506362a9daefbd9e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:38.324785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033654/publication.md
observed b97b666452a0f8f472887f8e0623f73b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:38.307392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033654/publication.txt
observed 4ed7351991f86d73c4a2588225afd7bc...
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.