OpenTechnical

OT-2026-000073139

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

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-2026-000073139) never changes.

Identity and time

Publication numberOT-2026-000073139 · never reused
Internal UUID01a0ae92-efb6-7a73-9dea-c2508e037bb9 · 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-2026-000073139
StatusPUBLIC

Content hashes

Canonical text9db52cafb2eb6af398527c54534f7cd55bef6642ed00417e743dcd27cd1cbda2
Markdowne981d6f8d8770e8c19fabdaf0f28cd1d4599962938ac6dc926f07e1e157e2634
PDF
Publication page0b693edc3bc33c6737ee5eb334d6063754d7537a7f935668d1ab05dd27a3b96a
Manifest131cf27272ca1fb38dae8cabfc5d58de2a4061327ed9cbbe4761268f325b14ca

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
SignatureH5Wob84vaAHwpe71xHTyk+Zjsa6Aa5LR1Ljz1kKuldxGOtQCAU2zRI4G8GsOGOTSlNaKVNdcr6GHFfmsKEUqDw==
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

2026-09-17T10:21:04.584609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073139
observed 0b693edc3bc33c6737ee5eb334d60637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.566052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073139/manifest.json
observed 131cf27272ca1fb38dae8cabfc5d58de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.546544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073139/publication.md
observed e981d6f8d8770e8c19fabdaf0f28cd1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.526718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073139/publication.txt
observed 9db52cafb2eb6af398527c54534f7cd5...
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.