OpenTechnical

OT-2026-000008415

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000008415) never changes.

Identity and time

Publication numberOT-2026-000008415 · never reused
Internal UUID01a0ae6a-e46a-7ced-8017-33d01eb88137 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008415
StatusPUBLIC

Content hashes

Canonical textc973e2e0ca86a8915d6ce1163531778867dd92ffd6dcbd29f20ba6236caa0a9a
Markdown4d79c1562c5926443a572101f5c9e64d6c7ab8f475c5f6587384b1256c593c2c
PDF
Publication pageeb8525ce9bf8d91ef82ddeb2da6f397242da38c91b3311e8247dc5f0995d7ac3
Manifeste84109b572784ffd364604e9d3acff973634bb34cacbb6ec9459780420746abc

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
Signatured4ik2khAqv4U8kxnGSJ1dZdwM7y7O13f97biIQ9FsHy3IAM0hJp3BoPG8bZOMaleqT+sgtQIud/P3xxXVZICAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:15.807977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008415
observed eb8525ce9bf8d91ef82ddeb2da6f3972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:15.786937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008415/manifest.json
observed e84109b572784ffd364604e9d3acff97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:15.764998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008415/publication.md
observed 4d79c1562c5926443a572101f5c9e64d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:15.746384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008415/publication.txt
observed c973e2e0ca86a8915d6ce11635317788...
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.