OpenTechnical

OT-2026-000070883

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000070883) never changes.

Identity and time

Publication numberOT-2026-000070883 · never reused
Internal UUID01a0ae91-8c2d-7ed9-b509-8abad63eeb2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070883
StatusPUBLIC

Content hashes

Canonical textd34a3462fb878738157b5d3999c65c3ff51ee9d53b7469650d2d4695b4e716ee
Markdown9b3b4527ff645ef00ba1ee6db48687930a4f2aaa926c22552ceabfb3524cd00e
PDF
Publication page18e94d0bd7b3ef8e928b7c9f4adce3770fa33b4e648ec5a3d4b5505c2aa74e86
Manifest0c6f4ba6bba006226ef5f488bef02ea31b51250b0e373480e7bc0e03f211660c

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
SignatureO8xAzt9dIsAnmkzpc8RxxVmITbzIlSvu/15O6TUqC7ZIhBMnyralTruG38QPosCkPfLaDr9mb8QHvgaefsfCDA==
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

2026-09-17T10:25:42.583786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070883
observed 18e94d0bd7b3ef8e928b7c9f4adce377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:42.567311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070883/manifest.json
observed 0c6f4ba6bba006226ef5f488bef02ea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:42.551456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070883/publication.md
observed 9b3b4527ff645ef00ba1ee6db4868793...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:42.532582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070883/publication.txt
observed d34a3462fb878738157b5d3999c65c3f...
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.