OpenTechnical

OT-2026-000079449

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, sustained 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-2026-000079449) never changes.

Identity and time

Publication numberOT-2026-000079449 · never reused
Internal UUID01a0ae96-0b91-7bd5-8f49-dece02ca558a · 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-2026-000079449
StatusPUBLIC

Content hashes

Canonical textc264ad60a9feb03b6235d28cdd2a47a87f22ff9d03f8cfee3fd3282cb6f35705
Markdownf707a42c043f4a05000599cfa3c99334caa70ff1ca23d69eb77975b561c5a4d4
PDF
Publication page81c6759590f923a88c1eeb6374b9d3bdc065b9937d619b00c9f2cfeaadd63aaa
Manifest0bf411afea007c87faf8df565c6dfb8afaaa20f475f0e852c4c558d5810d4e73

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
Signaturevz09484gz2b3hBzdl7sBFcaoNY7oMoDBa1CABZffdSzTFpQvmwBEoCcm5AvaSsVT/bbm8qg3HMucj+bPbl/GDg==
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

2026-09-17T10:04:44.237766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079449
observed 81c6759590f923a88c1eeb6374b9d3bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:44.219797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079449/manifest.json
observed 0bf411afea007c87faf8df565c6dfb8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:44.202683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079449/publication.md
observed f707a42c043f4a05000599cfa3c99334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:44.182512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079449/publication.txt
observed c264ad60a9feb03b6235d28cdd2a47a8...
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.