OpenTechnical

OT-2026-000027692

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000027692) never changes.

Identity and time

Publication numberOT-2026-000027692 · never reused
Internal UUID01a0ae72-699a-7c71-a5f9-557b8eedc22c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027692
StatusPUBLIC

Content hashes

Canonical text119057f40bc3c4bcd7ff14b9e2c236d7b5131b501433d2a839ae97d3fdf54e71
Markdown47ce922171cfa27ac0b1baf927014aaa599729d1d0ec3cda0c7cc636d1af824c
PDF
Publication page227328fe8dab7d551d64fe9325445ff56c9d7b6e9dfcc3b99d25f03ea34c22f8
Manifesta5de41e5407421256eab47cbe9cc1f143cee20dce670e8161a3a685aec3a07c5

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
Signature83cczUpqncsOjijr6FPmO5Bltfp7bmUAWEbWCzdNiRAGTULOBXquZA5zm/abrFCy1R09arbevNfY1QK/OpCuAw==
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

2026-09-17T11:43:14.066582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027692
observed 227328fe8dab7d551d64fe9325445ff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:14.047701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027692/manifest.json
observed a5de41e5407421256eab47cbe9cc1f14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:14.030244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027692/publication.md
observed 47ce922171cfa27ac0b1baf927014aaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:14.010683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027692/publication.txt
observed 119057f40bc3c4bcd7ff14b9e2c236d7...
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.