OpenTechnical

OT-2026-000047790

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000047790) never changes.

Identity and time

Publication numberOT-2026-000047790 · never reused
Internal UUID01a0ae7f-c420-7df4-90b7-062163a490c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047790
StatusPUBLIC

Content hashes

Canonical text886aa9d7d9446a4a54f4ca7b6690a4a2efd104f89c714da2e8f2e20ad82bd14f
Markdown66c4953716ac8a28059b31b1eb5bcf0ba5a605f173a6c5d8f99abd5b9d3e21f3
PDF
Publication pagea3924288ff36837db229b409830e626dc94b3b16e31999aad645b01ec707fb61
Manifest8b45a4392b64813583b2cdcba227e0df98a8b9c60a8b17192d3797eb8e4e8b90

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
Signature/UNK5BaagfAxJOYZ2St12O5JHevQAKYotiwmUZ/sqGeDIlqsF5RaP5evRQEhPo1LqIG5h31Dhz5u0/BUhrqKAA==
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

2026-09-17T11:05:41.248084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047790
observed a3924288ff36837db229b409830e626d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:41.231225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047790/manifest.json
observed 8b45a4392b64813583b2cdcba227e0df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:41.213194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047790/publication.md
observed 66c4953716ac8a28059b31b1eb5bcf0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:41.195630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047790/publication.txt
observed 886aa9d7d9446a4a54f4ca7b6690a4a2...
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.