OpenTechnical

OT-2026-000009742

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000009742) never changes.

Identity and time

Publication numberOT-2026-000009742 · never reused
Internal UUID01a0ae6b-7564-7c6b-9963-cbcc5f6c1f92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009742
StatusPUBLIC

Content hashes

Canonical text791ba0c47d06f4e91add1a5694bbe1af3204fdbac6c1d06e83946cec7884e185
Markdown9f53194ed67f7d99246ebf2f78468204266ccbeae5955b4f328f80fe992c427d
PDF
Publication pagedba582dfe2e2c0a902add7569d65256cd3dfb1904467de225059a488aee0c394
Manifest32b9efaeae42585c63fa542cff77119faf01aca9ce288f4904e6d96bfe981100

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
SignatureJ17qT0YRPTkjIZx9/l3jtvMrNs2MTkZE+QH4UJrXxmnqo1OaMGllFA+N/7YIvYFxcsGVylX+sbFsU6lLr5TQAw==
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

2026-09-17T12:17:14.758095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009742
observed dba582dfe2e2c0a902add7569d65256c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:14.739322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009742/manifest.json
observed 32b9efaeae42585c63fa542cff77119f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:14.720679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009742/publication.md
observed 9f53194ed67f7d99246ebf2f78468204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:14.701904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009742/publication.txt
observed 791ba0c47d06f4e91add1a5694bbe1af...
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.