OpenTechnical

OT-2026-000070432

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000070432) never changes.

Identity and time

Publication numberOT-2026-000070432 · never reused
Internal UUID01a0ae91-545f-7a7b-bdea-bb789ec3cb32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070432
StatusPUBLIC

Content hashes

Canonical text2dd9a6a8f9bdddda1bdf7154c7795bf8ddcda29dae94613ce14f2346987ba198
Markdown6aebf4975b87192cf51bcf87ebbf6e9d89ae0fdde30d597f0f9824b615404aba
PDF
Publication page3a418a8c6f3d83fce61c57bf714c8b925edd1108b9cadad91c85cc9e21680e00
Manifest4bcab5fee8a8cb0b0e2cf1a3ed3ca62498dd8e4899f32b8e5ead57f30cafbaa8

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
SignatureNolkPBR0ByaCle8oLUu06GWdMfymf42mtzRn2hSNS38uXBNq1oMUKDyX+UGErp78HO3w+TDvU31KjXzgfjK1AQ==
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

2026-09-17T10:26:14.987164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070432
observed 3a418a8c6f3d83fce61c57bf714c8b92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.967963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070432/manifest.json
observed 4bcab5fee8a8cb0b0e2cf1a3ed3ca624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.948408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070432/publication.md
observed 6aebf4975b87192cf51bcf87ebbf6e9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.927823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070432/publication.txt
observed 2dd9a6a8f9bdddda1bdf7154c7795bf8...
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.