OpenTechnical

OT-2026-000068394

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000068394) never changes.

Identity and time

Publication numberOT-2026-000068394 · never reused
Internal UUID01a0ae90-2480-78b5-9e32-ba6d62e4e7ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068394
StatusPUBLIC

Content hashes

Canonical textf1417d0f5004e4deeee1a8b0b94b7efd0603ca77f5b9b1ec48c984d0ea421e68
Markdown22e07d6c79120997eec4aae480604b48e4ceea74afb047c6ea66170ceccbeca3
PDF
Publication pagee639220525d5db6d5c051b8eb45c546da48595b277b2c5a2f72392781943afaf
Manifestc19d13fed488d47dd334e387408a224c16df7d2cb3f286543da54834774404d5

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
Signaturee3feo4/RQwKS+RR2qboMBEaOboYSxX2eCjzND6cXbXp4+eomagNxGRBzz1u2Jo9QM8wKhuf/YosG4fF3hM2xDw==
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

2026-09-17T10:29:27.035866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068394
observed e639220525d5db6d5c051b8eb45c546d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:27.018272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068394/manifest.json
observed c19d13fed488d47dd334e387408a224c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:27.000011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068394/publication.md
observed 22e07d6c79120997eec4aae480604b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:26.981130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068394/publication.txt
observed f1417d0f5004e4deeee1a8b0b94b7efd...
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.