OpenTechnical

OT-2026-000079607

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum 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-2026-000079607) never changes.

Identity and time

Publication numberOT-2026-000079607 · never reused
Internal UUID01a0ae96-0b92-7565-9c70-0ba8a45dfd1b · 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-2026-000079607
StatusPUBLIC

Content hashes

Canonical texta17baf640912fa76913a413edf8107420fbc80693cb04dfa3594758a234a4bea
Markdownae9a0309f78d2ea97138eb74dc1e0d881f7e73c7e6f59b36aed653209c130a55
PDF
Publication page3a4fb9c67c095e6e65d79221aad0adcbfe55564034ecd8edd489e3302c9fb012
Manifesta6add65b8ea49c641d1c09488ea8bbf049518e551e804accc216d08617aea07e

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
Signaturebpk2uJ5Pga57iWQytY46Sdef3Ft5mo3SMRFNG16r6BFJETtkc5Y7aa9ciMzyte0yz7Efz3UKxzr5LVTWj4BKCA==
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

2026-09-17T10:05:16.059972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079607
observed 3a4fb9c67c095e6e65d79221aad0adcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:16.040799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079607/manifest.json
observed a6add65b8ea49c641d1c09488ea8bbf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:16.020471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079607/publication.md
observed ae9a0309f78d2ea97138eb74dc1e0d88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:16.002077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079607/publication.txt
observed a17baf640912fa76913a413edf810742...
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.