OpenTechnical

OT-2026-000097580

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line 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-2026-000097580) never changes.

Identity and time

Publication numberOT-2026-000097580 · never reused
Internal UUID01a0aea1-92f1-741f-ad35-a72bfc312a2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097580
StatusPUBLIC

Content hashes

Canonical textfcf1d37afd8fd88c92b112c2fa4d368ede8fe7422e7b2b3b46bca04a3b2b0be3
Markdown8c7d91d229dc493c4f591e01d3fea4cc4f8e492c64668d06de73a8870685333d
PDF
Publication pagef9e092bd203f82ba9b7e1e326f53396f2413fc596c111bfe628f390b05f5429d
Manifest874d7dbd800816639853193e0c36725780f1984cea3e6bb095d14b616c89fb30

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
Signaturej81//GFMFc5csT636lYGVxZlpKxR3wr2TqN96ujFnsYL/mwLH1+4HeWpvZurM7Zhg/gHX5u44UGAlhrQpAdNAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:29.672909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097580
observed f9e092bd203f82ba9b7e1e326f53396f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.653701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097580/manifest.json
observed 874d7dbd800816639853193e0c367257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.634709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097580/publication.md
observed 8c7d91d229dc493c4f591e01d3fea4cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.612834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097580/publication.txt
observed fcf1d37afd8fd88c92b112c2fa4d368e...
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.