OpenTechnical

OT-2026-000051772

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000051772) never changes.

Identity and time

Publication numberOT-2026-000051772 · never reused
Internal UUID01a0ae83-7c83-7de8-8baa-d2121bd440b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051772
StatusPUBLIC

Content hashes

Canonical textb0103e46999171c348c5a4b1f2eb9e9611bb6a678526313641aac01dee9ac52d
Markdown49348f01f17fe173bb461a55fbca1dd7cf237fc0a501bdcc8cb88950f035901e
PDF
Publication page0eef0f19b4f6c475d2bf4f62f31308c2cebd5c08c1cda09ed47c903238f47f5f
Manifest9b03bdad4579cbcefce342ff5dc42f02aff4053b508ca5909d70c04d80b036ef

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
SignatureY9pq1ulel1IFa+UmgHCiJ2PZgmrTr9uXND+bM2MI/8AdJpUl8hxY1udSMlCEhaGzW8lX+ZrPw/AbzAy4Hh0rAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:40.652709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051772
observed 0eef0f19b4f6c475d2bf4f62f31308c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:40.634398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051772/manifest.json
observed 9b03bdad4579cbcefce342ff5dc42f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:40.616696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051772/publication.md
observed 49348f01f17fe173bb461a55fbca1dd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:40.598480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051772/publication.txt
observed b0103e46999171c348c5a4b1f2eb9e96...
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.