OpenTechnical

OT-2026-000050311

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000050311) never changes.

Identity and time

Publication numberOT-2026-000050311 · never reused
Internal UUID01a0ae82-5c47-74fd-90fe-2585547ce3a0 · 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-2026-000050311
StatusPUBLIC

Content hashes

Canonical textabc565ec9163d46ed3a3f3dfe86774543480db39b66b388a0b060c8c0367b656
Markdown7e1bb744effb3ecf610fc07d7bc1b57671149fabe0653ae88883c6691086b85b
PDF
Publication page020922b9301ead8086ba33463625fc31e18899cc2769b73bdb243b11c2b802b3
Manifest5ed058eb4454179bf7150996b2219c134e63b481cbdb78ce4b758f79e372ec1c

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
Signatureeof4tmNIY2LHwUcV2/yniuZ/0RetrQWi0E9Jhna4MVq8v6FZXa4VnAxfKqCE4j6+jsu5GiQnkBtO6yvUQ1ZlAA==
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

2026-09-17T11:01:19.320695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050311
observed 020922b9301ead8086ba33463625fc31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:19.305393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050311/manifest.json
observed 5ed058eb4454179bf7150996b2219c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:19.290022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050311/publication.md
observed 7e1bb744effb3ecf610fc07d7bc1b576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:19.274025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050311/publication.txt
observed abc565ec9163d46ed3a3f3dfe8677454...
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.