OpenTechnical

OT-2026-000007513

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000007513) never changes.

Identity and time

Publication numberOT-2026-000007513 · never reused
Internal UUID01a0ae62-4df5-75f7-b210-2380fd355be4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007513
StatusPUBLIC

Content hashes

Canonical text7a4a9a383332c177be5fe7731f36cf1d8e19c2bc374a8f69cd07fe67aa8e9a8b
Markdown95bac58ac583469014b11d0d059ca725c53d8a74b5c3a9676f447290154f4411
PDF
Publication page8583bc5438b7be871d41f3022bd264aade644e79bb882ca647f85d35bb00ce9a
Manifesteed2a96c1306357dfa67c2ce48688b0d5036b7c3c4fef043eeb017e674c76307

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
SignatureWL/L4kNX/tob27MGQQDgeyzNIQkcoy4RMF7T1LhtutszrPj5fr8rmKWX7kX2fhU3oQmgH1PyM8Z40wjOmxX6Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:21.160383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007513
observed 8583bc5438b7be871d41f3022bd264aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:21.143939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007513/manifest.json
observed eed2a96c1306357dfa67c2ce48688b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:21.126758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007513/publication.md
observed 95bac58ac583469014b11d0d059ca725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:21.108518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007513/publication.txt
observed 7a4a9a383332c177be5fe7731f36cf1d...
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.