OpenTechnical

OT-2026-000079470

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented after 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-2026-000079470) never changes.

Identity and time

Publication numberOT-2026-000079470 · never reused
Internal UUID01a0ae96-0b91-7ea6-b44b-8704c642cec5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079470
StatusPUBLIC

Content hashes

Canonical text90b9e54347e6f9e8d0bd96a6502b98c4cb06791031e9e3b0790ae3ae1efeccbf
Markdownd90df2c47f9c209efb62139d0f36d2380a252d3df82da71d8f015da3dedc52ef
PDF
Publication page2cdb23fc023a812b740069c4167d610810a82c03425f97326e7db1a2cdb7f1ee
Manifest14d06b368fc5f1b2dc26e714da7429f7fce3a6f7ca8a7b0f56c6bf9e9fa95b96

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
Signaturem89bQLlvxgQ48bQ7q27EEbwq+gTEWhildI5pB8mhFwGUXjjTv6ciJdT6alF0GvpZgwHBlrfBTOQYOoWGWIBwCw==
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

2026-09-17T10:05:05.589650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079470
observed 2cdb23fc023a812b740069c4167d6108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.571526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079470/manifest.json
observed 14d06b368fc5f1b2dc26e714da7429f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.552724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079470/publication.md
observed d90df2c47f9c209efb62139d0f36d238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.534558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079470/publication.txt
observed 90b9e54347e6f9e8d0bd96a6502b98c4...
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.