OpenTechnical

OT-2026-000042822

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000042822) never changes.

Identity and time

Publication numberOT-2026-000042822 · never reused
Internal UUID01a0ae7a-c0d0-75b9-a039-45fb41c952ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042822
StatusPUBLIC

Content hashes

Canonical texte5dffd32eb1e93cdad5a92db3ae029ebb9852035940ced60bffe43898a1092d5
Markdown25a7fb1dbdb8ac7b680e3796f764fd0098f2b5ab5025bdf9440f58ceafc88530
PDF
Publication page5d6700d0345e049a526e99dc662f8049c9e6afc6d72861d967390fc49bad8889
Manifest812a03f27d407a9259846a9c6ed2622ef1ce7a2e4a6e2488b3513e5fbec089f9

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
Signatureg8HQKxkqK+oW1JjHUO7N9/k6puzm3ELAxuGaNyCWZtrsguGrBHLj+7SOzPuhjigKYnEImYDpB2s/6IiFBx6bAQ==
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

2026-09-17T11:15:18.083086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042822
observed 5d6700d0345e049a526e99dc662f8049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:18.065428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042822/manifest.json
observed 812a03f27d407a9259846a9c6ed2622e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:18.048252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042822/publication.md
observed 25a7fb1dbdb8ac7b680e3796f764fd00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:18.028223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042822/publication.txt
observed e5dffd32eb1e93cdad5a92db3ae029eb...
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.