OpenTechnical

OT-2026-000089292

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000089292) never changes.

Identity and time

Publication numberOT-2026-000089292 · never reused
Internal UUID01a0ae9b-db01-7856-b762-866877676c2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089292
StatusPUBLIC

Content hashes

Canonical text38373a5a3a475b0aef0e4a44e6e81c31997f4a35c7c7eac5fef433a0bd28e06f
Markdown49368c1bfd35d087695db9315f882ac704cf81503278954aa2ef08b44c6e943c
PDF
Publication pagef5ca24800415c1c69a7f7033588f016745adaaa297d214768eef27b3d501d5ca
Manifest9ca2fecdcaef039d0b931a6748e8a54ebc47adf337c77c6d9999ef7f55b055a6

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
SignatureEU5aUB1iG2Xr0ZGjirvCyvcWUf0MrEcEL6n8yiwOvad9qxL7ul+IlBizzICU96W6RjCR9W/bpGZGKAkjQlZNAQ==
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

2026-09-17T09:47:20.353173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089292
observed f5ca24800415c1c69a7f7033588f0167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.337389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089292/manifest.json
observed 9ca2fecdcaef039d0b931a6748e8a54e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.319908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089292/publication.md
observed 49368c1bfd35d087695db9315f882ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.302664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089292/publication.txt
observed 38373a5a3a475b0aef0e4a44e6e81c31...
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.