OpenTechnical

OT-2026-000074218

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000074218) never changes.

Identity and time

Publication numberOT-2026-000074218 · never reused
Internal UUID01a0ae93-7178-7319-a12f-9ea7e6c6f4c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074218
StatusPUBLIC

Content hashes

Canonical textd0ed975d518a589c636e684f635eea4924f438f54f626cfd943fed4563c338a0
Markdown7e8a7ebd77686b6327845b10e40692f408e271ed7de8aebd691704e7ce3488d2
PDF
Publication pagecee421f8f57eed2e20b6982606782bf38f827b5fc7ae5654c6f09ca5438b0527
Manifest2ccb72d1c2d65732787fa7550fa695c51cd130025658c783368e9a8b734c1a30

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
SignatureHfAp+6ZnYv6QcD/GtLjdmXb/+em1PMVAMrQ7oPY5xhLV282r1s9Zq6IVGz9YpTIalPS8xxoL1jNRlgh/loCfCA==
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

2026-09-17T10:19:04.799107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074218
observed cee421f8f57eed2e20b6982606782bf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.780266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074218/manifest.json
observed 2ccb72d1c2d65732787fa7550fa695c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.761202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074218/publication.md
observed 7e8a7ebd77686b6327845b10e40692f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.743287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074218/publication.txt
observed d0ed975d518a589c636e684f635eea49...
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.