OpenTechnical

OT-2026-000066467

Publication integrity record

Two 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-2026-000066467) never changes.

Identity and time

Publication numberOT-2026-000066467 · never reused
Internal UUID01a0ae8e-ce40-74d6-b142-5b211db61d2b · 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-2026-000066467
StatusPUBLIC

Content hashes

Canonical textf9ce7e0a7f9866e134432c35b62ad046d71169e50a4a9f9805a80ea57ca9be23
Markdownb387823c64fb419121d17f80571ab0bd19d5147a13deb0d7da0d3372c891430a
PDF
Publication page0bb776ff830a0bfbf387704b7785808c19b8ad1acc7cd481055f20ae14bc5611
Manifestf96b007ba3cfdcba3392c78df71e3e17680ca32661eba28254ed3d6ed097094a

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
SignatureXX5lmHacPmANg5KM46PV4DQTmWgDgPhlNtDe6oG+LpxeCz7pYCnKyZIcgxazeb4YXL/zEoV59lyYt1vWfZ0BDA==
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

2026-09-17T10:32:43.104489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066467
observed 0bb776ff830a0bfbf387704b7785808c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.087699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066467/manifest.json
observed f96b007ba3cfdcba3392c78df71e3e17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.071174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066467/publication.md
observed b387823c64fb419121d17f80571ab0bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.055550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066467/publication.txt
observed f9ce7e0a7f9866e134432c35b62ad046...
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.