OpenTechnical

OT-2026-000032056

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000032056) never changes.

Identity and time

Publication numberOT-2026-000032056 · never reused
Internal UUID01a0ae74-bad3-78e1-9bc0-10c9641dba7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032056
StatusPUBLIC

Content hashes

Canonical text9bd5697400e0bfaef2bf7eaaf112808217664345c923b380994a5ef7ca1cef1b
Markdown8491ca6524cf5e3fa93ae9df971fb5f998715a8480f0ca95dc16aded1b1efd98
PDF
Publication pagec9e101f17a66e48d4872fa5e3f9a11e9f0abbc043626933ab167720a388e3856
Manifest83fb6b4c49e1147163671b5acbb085e3300c8b58d34cbb32e24ff79ee3c3d873

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
SignatureuLXvUMYeQADUBZDWr7rZM8oUhZWrkHOKq7g7QAaOSMuWV9ZSpV3G/uaPFPDDbKV1E2T9IHg2kQOJ6jCS9Hu7BQ==
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

2026-09-17T11:35:28.374422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032056
observed c9e101f17a66e48d4872fa5e3f9a11e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:28.357419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032056/manifest.json
observed 83fb6b4c49e1147163671b5acbb085e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:28.341470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032056/publication.md
observed 8491ca6524cf5e3fa93ae9df971fb5f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:28.324328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032056/publication.txt
observed 9bd5697400e0bfaef2bf7eaaf1128082...
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.