OpenTechnical

OT-2026-000035575

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000035575) never changes.

Identity and time

Publication numberOT-2026-000035575 · never reused
Internal UUID01a0ae76-b4c5-710a-92da-bb9280124e00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035575
StatusPUBLIC

Content hashes

Canonical textea90d2539429f4ded07d45f03435a5822c7e8878a704e11000abd096de4be8c9
Markdowncbced2bc3d24f7b277c26d3c7115b0b709e3e6c6a33907a6063da718e0fa9e97
PDF
Publication page2bca9161fcfdf6ccd23f6417363e975e53f63be46d14db9f60e47cf29c15a712
Manifest941840e54beb2aacccbf39af3a6d0138fc7a78e51102533f4465b59619d55390

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
Signaturegmxiw7RB0fWFR4VEDBsXbpegRthjMSrSvF0AsKHY/9ddVf+hRFZUNSuEHUGcE7iOunt+XyoKyMCgXnuwX8DsAQ==
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

2026-09-17T11:27:05.853389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035575
observed 2bca9161fcfdf6ccd23f6417363e975e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:05.833645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035575/manifest.json
observed 941840e54beb2aacccbf39af3a6d0138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:05.811816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035575/publication.md
observed cbced2bc3d24f7b277c26d3c7115b0b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:05.789694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035575/publication.txt
observed ea90d2539429f4ded07d45f03435a582...
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.