OpenTechnical

OT-2026-000037968

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000037968) never changes.

Identity and time

Publication numberOT-2026-000037968 · never reused
Internal UUID01a0ae77-f88a-7092-8287-1dbcc4214fd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037968
StatusPUBLIC

Content hashes

Canonical text92e87953e48cf06fdc380f4cf1464e708a34f75d3af16ccaedc58cdf01ca909f
Markdowna82ea5009bcb7bc3801f08c3edf61b346146eddeaa11fe5f8a4cdc23f69ff351
PDF
Publication pagecb6375f1db13044d401d9a219afb7a2ab14e4111c4b3004ab57ec135c24d90e8
Manifest04e423bc8e90ffae105ce7cf0083d7352c654fad6eed3b40724f4e195dbc0ed4

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
SignatureAgcf0OvVxX06d2190vTR1WPbdvixHPkbUNSNMlc9irx48kwFMfwqOKTld2XcFKIszBWHXhwlFctu1sPHOqBhAA==
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

2026-09-17T11:23:15.599176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037968
observed cb6375f1db13044d401d9a219afb7a2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:15.581741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037968/manifest.json
observed 04e423bc8e90ffae105ce7cf0083d735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:15.564453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037968/publication.md
observed a82ea5009bcb7bc3801f08c3edf61b34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:15.546159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037968/publication.txt
observed 92e87953e48cf06fdc380f4cf1464e70...
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.