OpenTechnical

OT-2026-000073391

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three 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-2026-000073391) never changes.

Identity and time

Publication numberOT-2026-000073391 · never reused
Internal UUID01a0ae92-efb8-7bc2-a5e6-f5054a6c5e61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073391
StatusPUBLIC

Content hashes

Canonical text598f7846c4a9e033ad5f2535edda38c11fdb55334b23ccc913ec1cc7aa06386e
Markdown71da70b59f7e5c9f3d3ce90fe936eebecac5d82e9451ad971c236a40952bc21c
PDF
Publication page657e2c1eaaea6a0d1d55e51bd136fe69dd08cec30a0cee3b85d3a19c5056d90a
Manifestaeb524458bf69d7edc8f20d085ed557ecbb7c0e29d6baf5eea469a8f5a65f76f

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
Signature2+AG0LRohXGupRPmCgVbHcPjPXw+tIosYFvPkdClxhH/iWKgGV1uuXGNVDhx6LsZaPnexxDPS+5Xml01XzNVDQ==
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

2026-09-17T10:21:26.033477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073391
observed 657e2c1eaaea6a0d1d55e51bd136fe69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:26.016678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073391/manifest.json
observed aeb524458bf69d7edc8f20d085ed557e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.997427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073391/publication.md
observed 71da70b59f7e5c9f3d3ce90fe936eebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.977319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073391/publication.txt
observed 598f7846c4a9e033ad5f2535edda38c1...
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.