OpenTechnical

OT-2026-000071923

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000071923) never changes.

Identity and time

Publication numberOT-2026-000071923 · never reused
Internal UUID01a0ae92-47c0-7c70-98ad-26d13083c761 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071923
StatusPUBLIC

Content hashes

Canonical text7a243ffb57ce24f48b2adfe575d1c6d349a2e2d28e96b50a0c40e59c77ae4946
Markdowne49ccf8322d4e91e5efd694e7489b032a329dc138a3439433cf0ae51158a39cc
PDF
Publication pageef317cb8ee0b2f721253440e715bfd9ce8710f7f1da726fa1f5d1814b0ed7fcf
Manifesta4ac6050800af7627a3f0b59b5a648db4acdf5db00aa8d5a9844b19c8ecd59fa

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
SignatureTcXO2CTlZ8lArmRB3AxeqZnRsSQSgocPlSbIYxEjSn8etWbRWkpPgiIKXOwXYy/7hFcaaie/Vbpc6vfZAlxnBg==
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

2026-09-17T10:22:57.161224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071923
observed ef317cb8ee0b2f721253440e715bfd9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:57.140425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071923/manifest.json
observed a4ac6050800af7627a3f0b59b5a648db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:57.121506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071923/publication.md
observed e49ccf8322d4e91e5efd694e7489b032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:57.102101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071923/publication.txt
observed 7a243ffb57ce24f48b2adfe575d1c6d3...
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.