OpenTechnical

OT-2026-000039583

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000039583) never changes.

Identity and time

Publication numberOT-2026-000039583 · never reused
Internal UUID01a0ae78-d8d3-7a12-a476-e24ef6f3030e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039583
StatusPUBLIC

Content hashes

Canonical text4759a5073bdcfadf12da80240c7d3ed8df853cb50588c5eb82f4b9aa04ce20c4
Markdown7761e93b24386e8fdb9f4aa21adc1bd07a8a5e24de5562214c4373ac2b37de02
PDF
Publication page44ce287b1c11f3225de9d93e971d46a6857076d9592e996f0235057c1091c117
Manifest261767b988147cbdb32d4a661661682db54699754a84698381001c20a3d52364

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
SignatureuIPr5EkD2l3HxaWK3Rw49nXFfHAZzUZSfH3CWQmP8+oSeEAz3jc0lX6kFyFOaelSgcIT7l/MI7A+AOixBUWkAg==
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

2026-09-17T11:19:44.460289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039583
observed 44ce287b1c11f3225de9d93e971d46a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:44.441670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039583/manifest.json
observed 261767b988147cbdb32d4a661661682d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:44.424903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039583/publication.md
observed 7761e93b24386e8fdb9f4aa21adc1bd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:44.408346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039583/publication.txt
observed 4759a5073bdcfadf12da80240c7d3ed8...
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.