OpenTechnical

OT-2026-000072113

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two 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-2026-000072113) never changes.

Identity and time

Publication numberOT-2026-000072113 · never reused
Internal UUID01a0ae92-47c1-752d-9a3e-719478b9bed7 · 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-2026-000072113
StatusPUBLIC

Content hashes

Canonical text281f6605b3f55449b4d368a61b2d3dc4dc3f2dc4e81c7a5f821aec238de4fa7a
Markdowne300763cf7642e7b986e30812a00d646d95d61917661def81e61222677cda7c5
PDF
Publication page65b52b19f5ab93b871ab89e45109d96b8899f288195185db6e96f4a6d40c1d94
Manifestdb1f8964e88f298f9c681dd168322a89bed9baa6c998c19836f36f439e7a1c8e

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
SignatureXXsKGOLo1TiO298GfBOEVfsgreCCymn6nVfEbWhlQWj4FS6bC/wMQrVO0CrSbzowyvoA+nkyeL0flcZ1PqOPBw==
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

2026-09-17T10:23:11.863422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072113
observed 65b52b19f5ab93b871ab89e45109d96b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:11.845267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072113/manifest.json
observed db1f8964e88f298f9c681dd168322a89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:11.827677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072113/publication.md
observed e300763cf7642e7b986e30812a00d646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:11.809881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072113/publication.txt
observed 281f6605b3f55449b4d368a61b2d3dc4...
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.