OpenTechnical

OT-2026-000026753

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000026753) never changes.

Identity and time

Publication numberOT-2026-000026753 · never reused
Internal UUID01a0ae72-3451-7ec5-b3ed-5cf028382ff3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026753
StatusPUBLIC

Content hashes

Canonical textadb99da20154a2f7a8164ce6edd3d52373803126eeddd95eea932c22bcb877ea
Markdowne8ad3d047ea72a7ecb2d998aa339eafdb5ad5c168366daf3b0a7595041bdc0a2
PDF
Publication page022a0505df48eb6136a357805c52b67f81a66c3f6aa35908b1ddfbf1e4963f3f
Manifestb6e771b9a11a39dcfca71be6c287d3f71b2719a3b31551a8d3ca3696387327a2

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
SignatureCyr4ksy9fIpttnj7o7UC8kxs8zkvT36iCV8AzuB4YyeOOznd8gVCbbAlBovuSDD2ZyCToD45yb5dPe1pFXw9AA==
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

2026-09-17T11:43:19.369035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026753
observed 022a0505df48eb6136a357805c52b67f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:19.352524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026753/manifest.json
observed b6e771b9a11a39dcfca71be6c287d3f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:19.337191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026753/publication.md
observed e8ad3d047ea72a7ecb2d998aa339eafd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:19.320295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026753/publication.txt
observed adb99da20154a2f7a8164ce6edd3d523...
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.