OpenTechnical

OT-2026-000050910

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000050910) never changes.

Identity and time

Publication numberOT-2026-000050910 · never reused
Internal UUID01a0ae82-c7b3-774a-929e-bf487bd38b45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050910
StatusPUBLIC

Content hashes

Canonical textd4b244207a7987be8f1ed47cb284e507720f600fab13ca935c575549250aa3cd
Markdown99af4417a0708223f7b83d23e4eaff5c729a1d1aeac07f4db6f4ac7578518713
PDF
Publication page8c1cbcba827bd6928cdfee320204f2366a0ea35170d5257e05f375a4d4cfd672
Manifeste4d56a1f7a26536694c3ceb73d4c4c53f3fea84001f43ea8e145c4b38c431984

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
SignaturewmU1UppM9J4dAhJVpU2vPn/ex8bxF1ZhC/KJCRS7XO6ty4Qh5R+0YdQETzFDb9LZT7hA6eLaeH15Xcmi+ZVECg==
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

2026-09-17T11:00:39.688457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050910
observed 8c1cbcba827bd6928cdfee320204f236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.666814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050910/manifest.json
observed e4d56a1f7a26536694c3ceb73d4c4c53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.645587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050910/publication.md
observed 99af4417a0708223f7b83d23e4eaff5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.643125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050910
observed 8c1cbcba827bd6928cdfee320204f236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.624129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050910/publication.txt
observed d4b244207a7987be8f1ed47cb284e507...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.622867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050910/manifest.json
observed e4d56a1f7a26536694c3ceb73d4c4c53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.598521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050910/publication.md
observed 99af4417a0708223f7b83d23e4eaff5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.577921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050910/publication.txt
observed d4b244207a7987be8f1ed47cb284e507...
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.