OpenTechnical

OT-2026-000067491

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000067491) never changes.

Identity and time

Publication numberOT-2026-000067491 · never reused
Internal UUID01a0ae8f-6bd9-7b9c-ab9b-ad07eb7df941 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067491
StatusPUBLIC

Content hashes

Canonical textd80a1cd04dc5a1d278619a1b616e9d83cbd51f541e511871b2ff105e0884aefd
Markdown4cf689e16fd1aa131534d7eafe880b4dc9c82655948a1cb18603960ed445adbf
PDF
Publication pagedf23c9fdb33fdf1d172106d23bf94eea5442a2f4e9124d334b511e6b33e6482f
Manifestcb60c76674bc07acf9b82c95af13e8f6807a41c0e7c77f24bfa538565ce21f1b

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
Signature7WSZAjYdwx5G78TMjBjBKECHe5mw6GY/gkNbTUsCsJyD+pIb5u/m2HjaLGATsdh7HiEESvGVslYrbLaRT6XjDw==
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

2026-09-17T10:31:47.050955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067491
observed df23c9fdb33fdf1d172106d23bf94eea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:47.032832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067491/manifest.json
observed cb60c76674bc07acf9b82c95af13e8f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:47.014772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067491/publication.md
observed 4cf689e16fd1aa131534d7eafe880b4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:46.997277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067491/publication.txt
observed d80a1cd04dc5a1d278619a1b616e9d83...
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.