OpenTechnical

OT-2026-000084631

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000084631) never changes.

Identity and time

Publication numberOT-2026-000084631 · never reused
Internal UUID01a0ae98-e25b-72f3-9650-6b8c618c74d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084631
StatusPUBLIC

Content hashes

Canonical text5222f3c0a56c69314fe9fa932540fb874cc575e589bf6de303d89abb39679e87
Markdown9867bcefc6a29b15cc915f4417f09a35d66a89ffa8871b3e17df922897e60379
PDF
Publication page8f5443b4acbc1ed40453367119c3cd52429d36e24c9ce15c632076da12e03c80
Manifest60383f2804b3dc2a803a73ddec5dd2be4dd4ba083edbe459c2d1b1fcc9e82a27

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
SignatureGny3YQn/0EWas3OWKapP9CcAiOddqAVSp3uZG7iDCmlgm4xk4ee6tRXug7Br3ukV5W0M2YadU2bj/3l8TqQTAQ==
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

2026-09-17T09:55:32.805632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084631
observed 8f5443b4acbc1ed40453367119c3cd52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:32.786782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084631/manifest.json
observed 60383f2804b3dc2a803a73ddec5dd2be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:32.769432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084631/publication.md
observed 9867bcefc6a29b15cc915f4417f09a35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:32.751844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084631/publication.txt
observed 5222f3c0a56c69314fe9fa932540fb87...
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.