OpenTechnical

OT-2026-000023990

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, sustained blow-off before 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-2026-000023990) never changes.

Identity and time

Publication numberOT-2026-000023990 · never reused
Internal UUID01a0ae70-aed7-7b8f-be3e-de7b9db10515 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023990
StatusPUBLIC

Content hashes

Canonical texted6357c113dddf4668b94d2542bfb4e732fbb29beeee43a8d212ec30596dc4f2
Markdown5675979f2169241d65da2da59d7d4a9d7b8c8a9c9939f84af315906ddd4978bf
PDF
Publication page71e1d655ddc00597ac27b6bd56a0af7590e4eba238c08c231a2ce8f90b5c967b
Manifeste3f3dff1ce39edf9d4c40b1c859e429409c2f6e4164c83830473f7fb5b5bc4eb

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
Signaturep4OYJjyxiqKlNyoIBa/dR6rVohZGXWrOBMnC3fWpely2B+5rJyx/fsj9XuUmmSxK/djq0wzxhqprzWjdT9dkCw==
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

2026-09-17T11:50:45.713253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023990
observed 71e1d655ddc00597ac27b6bd56a0af75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:45.689932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023990/manifest.json
observed e3f3dff1ce39edf9d4c40b1c859e4294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:45.670610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023990/publication.md
observed 5675979f2169241d65da2da59d7d4a9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:45.649745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023990/publication.txt
observed ed6357c113dddf4668b94d2542bfb4e7...
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.