OpenTechnical

OT-2026-000035931

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000035931) never changes.

Identity and time

Publication numberOT-2026-000035931 · never reused
Internal UUID01a0ae76-b4c9-76d6-a308-e7732abae53b · 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-2026-000035931
StatusPUBLIC

Content hashes

Canonical text425dcea52586db1082c19c678ff9f250ec5cdccc1e35601dff11b9a62a65ee64
Markdown6fb7b8285e5c95dbd10e3613d5dfc6fc13a81d844277be23188b023f90298300
PDF
Publication page04cd33489ab32714e5f275857dcf6ec9c7e3a5b8f8322e0645a1c9d4654d31d9
Manifeste3471c7a1a8cb6ffa7167cf9fa8b2a040b7d3beef223a065e96c0c0714082357

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
SignatureSvXQVwxosNGPV5hvIRlR9JjGRYgTo5dc9Uq3pM8wJBok1927r2NrlsoEt/HKqzF2mUDEkLHWjsljbL3dnvVFCA==
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

2026-09-17T11:27:46.823832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035931
observed 04cd33489ab32714e5f275857dcf6ec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:46.803090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035931/manifest.json
observed e3471c7a1a8cb6ffa7167cf9fa8b2a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:46.785249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035931/publication.md
observed 6fb7b8285e5c95dbd10e3613d5dfc6fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:46.766366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035931/publication.txt
observed 425dcea52586db1082c19c678ff9f250...
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.