OpenTechnical

OT-2026-000082554

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000082554) never changes.

Identity and time

Publication numberOT-2026-000082554 · never reused
Internal UUID01a0ae97-8cc7-7ac6-b4ea-c27c80ae9918 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082554
StatusPUBLIC

Content hashes

Canonical text55341ab7f1325288ac63e86d4a6fc131ead03de481d2648e5af591734fe7a700
Markdown11694d2a1525f461b44113698192b4d4d6c2c639bfdbc2032c7fa87fc18b460f
PDF
Publication pagea2a9b15465236f302df0d926e950a61aa90aaec895d7662a9e24289a0a79302b
Manifest30080e2b7d1ca29b12557e72dff353943ad8e4df1b61493ba72745f49ae2e7b3

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
SignatureN93F/gSsDlosKgSb8OA100RBwsy3v8oxknTjTOrquHRinDN16pgjKfe5otc/Wx4F1hzszr07ds7zkgv8aoAfDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:59.502274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082554
observed a2a9b15465236f302df0d926e950a61a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:59.486669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082554/manifest.json
observed 30080e2b7d1ca29b12557e72dff35394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:59.470639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082554/publication.md
observed 11694d2a1525f461b44113698192b4d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:59.455883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082554/publication.txt
observed 55341ab7f1325288ac63e86d4a6fc131...
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.