OpenTechnical

OT-2026-000071215

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000071215) never changes.

Identity and time

Publication numberOT-2026-000071215 · never reused
Internal UUID01a0ae91-e0ec-7762-b1f2-afdef118b46c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071215
StatusPUBLIC

Content hashes

Canonical textdfadfe79bdcf042e204837ea347956286a650856e7251e8919a1843616c93689
Markdownd873866ea0e52130118bb76922214b0bc360640bb4fa421fa427335cd2c4264c
PDF
Publication page3c8d5c43307c8b21245c9c8b968ea4c247008748c805ac99c0c1243b7dbd96e4
Manifest54311c25bd97dfb6f7c1daa0170abc9234fd35f0babe9442007a281b9b5b314e

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
SignaturelYcEnVCl3E7DqggAEhxiByzAqbgfxX6iwo22wKFtKik6h2zO80Is+z4smnJj0RhFZr00YYsGUGSlJHSMxFToBg==
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

2026-09-17T10:24:44.903768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071215
observed 3c8d5c43307c8b21245c9c8b968ea4c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:44.885335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071215/manifest.json
observed 54311c25bd97dfb6f7c1daa0170abc92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:44.863563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071215/publication.md
observed d873866ea0e52130118bb76922214b0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:44.845331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071215/publication.txt
observed dfadfe79bdcf042e204837ea34795628...
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.