OpenTechnical

OT-2026-000050335

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000050335) never changes.

Identity and time

Publication numberOT-2026-000050335 · never reused
Internal UUID01a0ae82-5c47-7df6-b454-8614c08ba825 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050335
StatusPUBLIC

Content hashes

Canonical texta1eb83d91c9ae339994a88300543038537d4df40f13dcdfdf8dde7dff6088b3a
Markdown4aaaa728eb567f88f4ea3bf767a78c9f98dd6162249de26408b0e301cdc54bb5
PDF
Publication page9f4152bab929e555c6b756dd06a03125fb1f2fe2a42ace8ff0c7de8699a5c554
Manifest99b374b7faadeac8477feb649699d8aa50ff1156f7c8eb309aa1be7d435c90ae

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
Signature1jjQ0NaM8elSLrY1l4JRLW9gzD6Kl4I70Wem/T4GxfDhnvRL4Utgb6wslllCdYLsb69wRsjU984X9I8DLpa1CQ==
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

2026-09-17T11:01:21.712643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050335
observed 9f4152bab929e555c6b756dd06a03125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:21.696521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050335/manifest.json
observed 99b374b7faadeac8477feb649699d8aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:21.680030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050335/publication.md
observed 4aaaa728eb567f88f4ea3bf767a78c9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:21.662746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050335/publication.txt
observed a1eb83d91c9ae339994a883005430385...
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.