OpenTechnical

OT-2026-000073149

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two 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-2026-000073149) never changes.

Identity and time

Publication numberOT-2026-000073149 · never reused
Internal UUID01a0ae92-efb6-764a-85f7-bfc9ca85e218 · 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-2026-000073149
StatusPUBLIC

Content hashes

Canonical texte8db95eb5cb015b6d3c367854771b4997c8c9b4c81731ebe33477ccfa3d7915c
Markdown099fba3fae221a1a95b77a0233ce5dc5487c0d1c689e22972fd4a2991a1b2f76
PDF
Publication page90982a72c5905d233fc69a206e167a243e1e22417210a669810d098cec260898
Manifest619ec7bcd266dd06150ff9dc71b0d1410ec86008c33dd6c31fa9bac8c8652495

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
Signature5tyCg65ZWcdBRnqYLMXTkuiteaPVFo1YCbvgeAF8Gxl1/nRr6xktxJAC6IWgc7VY2ZFwKC94iuNf4d6W7/1ECg==
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

2026-09-17T10:21:05.382718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073149
observed 90982a72c5905d233fc69a206e167a24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:05.362489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073149/manifest.json
observed 619ec7bcd266dd06150ff9dc71b0d141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:05.342793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073149/publication.md
observed 099fba3fae221a1a95b77a0233ce5dc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:05.322631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073149/publication.txt
observed e8db95eb5cb015b6d3c367854771b499...
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.