OpenTechnical

OT-2026-000089805

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000089805) never changes.

Identity and time

Publication numberOT-2026-000089805 · never reused
Internal UUID01a0ae9c-1a23-79b5-aa56-3dbde9a37652 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089805
StatusPUBLIC

Content hashes

Canonical text444413831af8f461e5b6b3a66562e3115f46e9ead477e6cc21305c7238514866
Markdown21c528149b46bc0d9a12d0e5072eb85957f433d50810721e412b9f3399909d34
PDF
Publication page2f3525309164627dccfb08799cd364cb2df1b204bbf045181a379332c31281c4
Manifest050af36a00dcb1143b9c63e0d48762050af57092a3e5570c103663c1252d0ba9

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
SignaturehAmcseP9LShBfkWmOMAFWE2w7VJS07nhOx4pq4qVk2EGeaVPYBuKmWAVR/jAUyhs77TvmoZeK7Nnc+nmt3UjCg==
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

2026-09-17T09:46:53.922959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089805
observed 2f3525309164627dccfb08799cd364cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:53.906617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089805/manifest.json
observed 050af36a00dcb1143b9c63e0d4876205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:53.890491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089805/publication.md
observed 21c528149b46bc0d9a12d0e5072eb859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:53.872796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089805/publication.txt
observed 444413831af8f461e5b6b3a66562e311...
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.