OpenTechnical

OT-2026-000091341

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000091341) never changes.

Identity and time

Publication numberOT-2026-000091341 · never reused
Internal UUID01a0ae9c-f16c-7195-a911-905393d0b10c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091341
StatusPUBLIC

Content hashes

Canonical textdee242011b7ae35a393498cfa9eff4a1934e0adcf33ac00fe99de0b24d234d11
Markdowncdea33934a880005e69a8c2e58041ca644dfa4120b98fc7a53d8b354c59e11cc
PDF
Publication page2b32a27782f9f35a3de6e7cadd8dec8ea5ca5a2a2054fcfaa606080c0c0edec8
Manifestf0c758d73c7304855fb6523ddaa6af1346693100c1f205db3b4fc47362beba73

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
SignatureHCh2GoqOZMaBUeAtwm+ae5WTxRFSBC0PmT+LBfolmum6msoFDA+GSwtVCnghcnsZAZrwadRCuCI6e6jugzpbCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:33.040206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091341
observed 2b32a27782f9f35a3de6e7cadd8dec8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:33.021728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091341/manifest.json
observed f0c758d73c7304855fb6523ddaa6af13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:33.002407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091341/publication.md
observed cdea33934a880005e69a8c2e58041ca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:32.982860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091341/publication.txt
observed dee242011b7ae35a393498cfa9eff4a1...
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.