OpenTechnical

OT-2026-000009188

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000009188) never changes.

Identity and time

Publication numberOT-2026-000009188 · never reused
Internal UUID01a0ae6b-31b9-7d24-98d6-f5e3a72e9faa · 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-2026-000009188
StatusPUBLIC

Content hashes

Canonical text14b4825456c829f62750247d476ca8b043e2bbe37235329d6d8d667b933253e6
Markdownf3fba73a10d5ba74d0a53ceb9687039a193cf8f8924f967540441bccd109a957
PDF
Publication paged8c77028160d3dd8c3ae974c12cfbb9b6595a74ecfc374ee381595b02226f60a
Manifest8b5065fbc8e5d4748713857e7c6b8ee860012bde9a13d7cfb67bff447954dfc9

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
Signature2tbqOBg8+ywEMBj1Zr/KO0z1gexUSRdXyKPdzWgn7GGhkChXcHpwOfY455V+YQUeGx7ejRNThqwJufSfVzRnCw==
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

2026-09-17T12:17:54.146531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009188
observed d8c77028160d3dd8c3ae974c12cfbb9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:54.126630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009188/manifest.json
observed 8b5065fbc8e5d4748713857e7c6b8ee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:54.105538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009188/publication.md
observed f3fba73a10d5ba74d0a53ceb9687039a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:54.080797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009188/publication.txt
observed 14b4825456c829f62750247d476ca8b0...
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.