OpenTechnical

OT-2026-000030169

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000030169) never changes.

Identity and time

Publication numberOT-2026-000030169 · never reused
Internal UUID01a0ae73-e500-7e13-bd57-de31b9927ff3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030169
StatusPUBLIC

Content hashes

Canonical text1e466a021189f20eefa17d8fc2e69d1fdda7cf2708b0c7b6122fa886e303f126
Markdown22b68ed7d264dbdf05b0e17baaf13f61ec57234d755b5f430d33e0b25a25ccb5
PDF
Publication page090983110fdf14726a14a16790128e8710f4b0f47df8ab7301e0a404a0cfae73
Manifest18c2b2b8172e6195de29fa331c37295bc80479430ea3d8a29a828273cc146ed0

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
SignaturetVzUD4OcYhi6xW2s9qDUTu8/rPlNjaqdMF7tXs/WfUwUvGn+9kVApXAUI3i/oU6QplqgMN/M+aEJf36PMwTHBw==
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

2026-09-17T11:40:31.769422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030169
observed 090983110fdf14726a14a16790128e87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:31.751413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030169/manifest.json
observed 18c2b2b8172e6195de29fa331c37295b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:31.734897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030169/publication.md
observed 22b68ed7d264dbdf05b0e17baaf13f61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:31.717870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030169/publication.txt
observed 1e466a021189f20eefa17d8fc2e69d1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.148556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030169
observed 090983110fdf14726a14a16790128e87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.133185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030169/manifest.json
observed 18c2b2b8172e6195de29fa331c37295b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.116594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030169/publication.md
observed 22b68ed7d264dbdf05b0e17baaf13f61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.100627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030169/publication.txt
observed 1e466a021189f20eefa17d8fc2e69d1f...
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.