OpenTechnical

OT-2026-000077474

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, vented after 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-2026-000077474) never changes.

Identity and time

Publication numberOT-2026-000077474 · never reused
Internal UUID01a0ae94-f50a-7250-81e1-29a360a8b6c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077474
StatusPUBLIC

Content hashes

Canonical text03001de3eb6aabf6a9e636a4bc8c3a27e1e0c3604d1218354c011b3edd858a1e
Markdown8a612b13296192c0f507de285c38b82c1a6db2d00d34cff42ecd398e40105068
PDF
Publication page59b1db8c74ebac8966fc1b19858faeeeb52127dcdc9c1ebb9ca98ef37085f728
Manifestdc3c195c225bdec9a15f5bcc79fd01ca8e9eb949a7f7fc790cdf00582a2888de

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
Signature176KHFBGRcbrO5MJ4aWoxSRF+nklCsXvwmQ9FEl8EZv+WC/i2RrI3BJ33bTCvpKK83FzWbTj09RrsT9wKPZSAA==
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

2026-09-17T10:09:09.618272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077474
observed 59b1db8c74ebac8966fc1b19858faeee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:09.597548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077474/manifest.json
observed dc3c195c225bdec9a15f5bcc79fd01ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:09.579576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077474/publication.md
observed 8a612b13296192c0f507de285c38b82c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:09.560063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077474/publication.txt
observed 03001de3eb6aabf6a9e636a4bc8c3a27...
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.