OpenTechnical

OT-2026-000034574

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000034574) never changes.

Identity and time

Publication numberOT-2026-000034574 · never reused
Internal UUID01a0ae76-1ed0-7407-b33f-b96b9e3f2a09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034574
StatusPUBLIC

Content hashes

Canonical text134f5a98723506a7c5afd3e7a81f65395f7534d7402d91ba416fed60352cc989
Markdown682ae3620dd1286df33c2c3a113d7bca8a682d19fe018c49d533b5c47b3a6686
PDF
Publication page651e95564996b8b2f6c5eab3285b831e24065a502c57584caf4842ed10d6d97d
Manifest7a65f7d9f19e9c2cb96dfde7a25f11da6224769b9445d807688178723eb7e2fc

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
SignatureKNTwZO31BM190KdD8rEBHLZY7iKq+fNuGcEZYyHN9SQW1zkfvY8MNMXm6kYfZhzkFiYrHcOkRZcBPO4iHH60CA==
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

2026-09-17T11:28:56.575589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034574
observed 651e95564996b8b2f6c5eab3285b831e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.557598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034574/manifest.json
observed 7a65f7d9f19e9c2cb96dfde7a25f11da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.540098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034574/publication.md
observed 682ae3620dd1286df33c2c3a113d7bca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.522511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034574/publication.txt
observed 134f5a98723506a7c5afd3e7a81f6539...
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.