OpenTechnical

OT-2026-000016188

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000016188) never changes.

Identity and time

Publication numberOT-2026-000016188 · never reused
Internal UUID01a0ae6e-2d11-7a7c-a59b-0f481251c4af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016188
StatusPUBLIC

Content hashes

Canonical text7a23cfadef0148e6a7cf7b2fa766a6048839e6f4a6a4cd5b879174dc7bbfa146
Markdown0905519d931121fe47d22c1469c384d858634420652f918c062f00bde64d86f9
PDF
Publication pagec12855bdc1854c9fb23caafaaf140eb3086462ff752cd74555441534e16b299e
Manifest1621e1342c72a85a3c1ad6d2f2564b4926ae1cbf81bc2377896c2b4ae176832b

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
SignatureTRU8g214AO0x+PTjBFU2BdJNkDaG//kUz8QY/TwzEroJc7MrBw6ouRNaVmlmZ6HMtbUjGopKdfuOaaLbTmlpCQ==
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

2026-09-17T12:03:38.617487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016188
observed c12855bdc1854c9fb23caafaaf140eb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:38.598897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016188/manifest.json
observed 1621e1342c72a85a3c1ad6d2f2564b49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:38.580752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016188/publication.md
observed 0905519d931121fe47d22c1469c384d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:38.531225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016188/publication.txt
observed 7a23cfadef0148e6a7cf7b2fa766a604...
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.