OpenTechnical

OT-2026-000074911

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold 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-2026-000074911) never changes.

Identity and time

Publication numberOT-2026-000074911 · never reused
Internal UUID01a0ae93-ac2d-7276-850e-46ad184cb8fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074911
StatusPUBLIC

Content hashes

Canonical textfd7a0679c630d1d47ac28881d7bffbd82f4f56d6b515704f009cf60876aeae4f
Markdown59874421194286ece5798bf8b85479dd2b4e713deacdd9d5fdb56d75a41983b4
PDF
Publication page3e0ba16dae8b2780376a61e4c2ee3c02051c54096f8a639a8870a516fbe2a151
Manifest1ab037e9d42aafae2b4b595542a675d4e0412ced34b8186707527bcfb1f50a79

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
Signature6hgys0Kaa3ED5JvJOTRK9xMlmccjFFBYcmLf4zupk/+DLdHoSA6RBBfGzZIVGuCHWObm9PYqYw9Kivu/ueRkBg==
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

2026-09-17T10:18:38.138160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074911
observed 3e0ba16dae8b2780376a61e4c2ee3c02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.118818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074911/manifest.json
observed 1ab037e9d42aafae2b4b595542a675d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.099891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074911/publication.md
observed 59874421194286ece5798bf8b85479dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.080878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074911/publication.txt
observed fd7a0679c630d1d47ac28881d7bffbd8...
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.