OpenTechnical

OT-2026-000079869

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, sustained 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-2026-000079869) never changes.

Identity and time

Publication numberOT-2026-000079869 · never reused
Internal UUID01a0ae96-4376-7c2c-9271-d7875c8a5c6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079869
StatusPUBLIC

Content hashes

Canonical text8bdd347e340bfc4dfaa0006984d157b8915d60510b207d088031f4932fa35300
Markdown87dd2fc7c0d10a0bb55486edd0eb8e4ba14f0ca398a6dbfdd35df660ca55e62c
PDF
Publication paged3570889424f680e22696e07e8efdd07aa35984f8fc2826f97bf5c0306037e2d
Manifest112eb6e038b953dcd0d1fcc8f7bd2208060fb52f031620896cf982217d8a4d20

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
SignaturekKB8MvYGPWTf2J8laT9dAMx2NWentKFx+q/MXB9f76R8trCMQ/su/smEVjg0BhMX/R9I/HfYqrKBkPYRXaS8Bg==
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

2026-09-17T10:03:45.660917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079869
observed d3570889424f680e22696e07e8efdd07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.641530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079869/manifest.json
observed 112eb6e038b953dcd0d1fcc8f7bd2208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.621543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079869/publication.md
observed 87dd2fc7c0d10a0bb55486edd0eb8e4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.601859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079869/publication.txt
observed 8bdd347e340bfc4dfaa0006984d157b8...
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.