OpenTechnical

OT-2026-000066407

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000066407) never changes.

Identity and time

Publication numberOT-2026-000066407 · never reused
Internal UUID01a0ae8e-ce40-7b6d-b642-3350b80a35cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066407
StatusPUBLIC

Content hashes

Canonical texteb515af480c01b8a322131a724af75561a50aea19c2bfb094bfd927afe578de4
Markdownb0ad6a545c6cd73fcc5a400949b3f8b874a746fe27e3e47af2d2ddaa33af0e72
PDF
Publication page7d5d4e0804f229ba5af2635b33482d3d90ff063a643a5e4d236b193b823073cd
Manifestdb2855b7874794765268ca43d3c19ff5f528a820754a3ade544b51cd859fd732

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
SignatureBFusJi5KwPfMUOJ81OD891eyhLRgLytE/iAvauUQ5nOLTu+omeBEL4IyIMDT9Wfe3RLICYwteW31D+4w3dCLCQ==
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

2026-09-17T10:32:38.682377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066407
observed 7d5d4e0804f229ba5af2635b33482d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:38.663727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066407/manifest.json
observed db2855b7874794765268ca43d3c19ff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:38.647015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066407/publication.md
observed b0ad6a545c6cd73fcc5a400949b3f8b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:38.629162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066407/publication.txt
observed eb515af480c01b8a322131a724af7556...
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.