OpenTechnical

OT-2026-000039703

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000039703) never changes.

Identity and time

Publication numberOT-2026-000039703 · never reused
Internal UUID01a0ae78-d8d5-785c-97a5-8557c4417aa9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039703
StatusPUBLIC

Content hashes

Canonical text4bf8b36d9c105de799d2a08f99d03b409606b7f0c7fa04bdd62fc3bdbf93a362
Markdown81bba9ffbca25a4bce6f97b9dd1584bf3abe1617095011d29a9023d94a880010
PDF
Publication page78708d45a6d78903fee88a3afba6afdad8488907b30293980b78e581936006d5
Manifestfd9c0fd6344778241fd6205b08626549cd3731336a4c137f46c778d5e12be332

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
Signaturebv8IK3Pa6YCkuxJzBE9G+Mo5ebrzNI6sb1hQ5iNfZU4yGzrkBwh1o7eX6E4Sv1jTVj+PGSmnUkdHEhGEqeD0AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:53.977510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039703
observed 78708d45a6d78903fee88a3afba6afda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:53.955082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039703/manifest.json
observed fd9c0fd6344778241fd6205b08626549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:53.933364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039703/publication.md
observed 81bba9ffbca25a4bce6f97b9dd1584bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:53.914034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039703/publication.txt
observed 4bf8b36d9c105de799d2a08f99d03b40...
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.