OpenTechnical

OT-2026-000011250

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000011250) never changes.

Identity and time

Publication numberOT-2026-000011250 · never reused
Internal UUID01a0ae6c-5410-79b8-bc51-193b69c67d04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011250
StatusPUBLIC

Content hashes

Canonical text400416dfa952f556acf688f175b56dc3dbcc397e7dbe6db665f0b4bb6821b123
Markdownaa4e96e231175bb279c93fbe11f8bd2631d291740755756251aa2104cabde3a5
PDF
Publication pagee6242ec073b221ead337a22a3baf5a3110042c724218ed45e984342c63b2908b
Manifesta747e3bff80a54c6e81f7b866cc3c2e13a0ed3423ea35710c01719b9e05b7319

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
SignatureJRqijb3BaMvnIJgOzH8u5g5i1tZlztVH4wAjIR5uWgt2cRFnuDAD787Su5MQtfCLRw5w5OHwmRNJglUccDoxDA==
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

2026-09-17T12:14:13.024886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011250
observed e6242ec073b221ead337a22a3baf5a31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:13.004422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011250/manifest.json
observed a747e3bff80a54c6e81f7b866cc3c2e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:12.983781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011250/publication.md
observed aa4e96e231175bb279c93fbe11f8bd26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:12.964047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011250/publication.txt
observed 400416dfa952f556acf688f175b56dc3...
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.