OpenTechnical

OT-2026-000009165

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000009165) never changes.

Identity and time

Publication numberOT-2026-000009165 · never reused
Internal UUID01a0ae6b-31b9-7d9a-a3e7-d04299268883 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009165
StatusPUBLIC

Content hashes

Canonical text010e64ec28bd5a405bea941dfc35da409c3bf5a6ef9f5aef82102ac5bd9765b2
Markdownf4a9df176ed42de32d317282105d6670e820579faa4e8c496f339f0c50eb08c6
PDF
Publication page4044c419ba08b5ccea321c6cc239b6b181292d09b82a576dfa3f8bd708010ca0
Manifestbffdc29bdfce6990a54c23c2d6e0bb213848fd0637a1778951f68ba2f5e1a576

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
Signature7lV+YV4QpfaLsZVBM45z4wIhD/LibV5lThqdJMDREiR9HA0w4bQr6rC4NchTKpjkb97ON+pmjOm/UKviDqLLCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:20.802714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009165
observed 4044c419ba08b5ccea321c6cc239b6b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:20.782903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009165/manifest.json
observed bffdc29bdfce6990a54c23c2d6e0bb21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:20.753449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009165/publication.md
observed f4a9df176ed42de32d317282105d6670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:20.719361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009165/publication.txt
observed 010e64ec28bd5a405bea941dfc35da40...
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.