OpenTechnical

OT-2026-000052154

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, vented before set-down

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-2026-000052154) never changes.

Identity and time

Publication numberOT-2026-000052154 · never reused
Internal UUID01a0ae83-e790-72b5-9bb4-0c28dfcadb5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052154
StatusPUBLIC

Content hashes

Canonical textf4f6e4b7602b127e17b06ceb328d6b3536a1edaf24982a7b0c8482040d17a998
Markdown28abbfaf762932223aaeaf79fd298fd6723913e6c3decbd01d21ba52d4a72a61
PDF
Publication pageec4be1ea8663ca88b76c80d7a9e8e73032d84377dfa67a6b50b9344dc57b6199
Manifest5f93b5253552cd68f64f800815ab104f225b3adee48d8fb8113dbcfdd819806e

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
Signaturepxavj7DIM3AXHkNG94n3xybJZ/Vf3iwxvsxO+7PiJtJgY/77D3x523nObCttk7sau/ZKEnIPwWpgiRBOukbsCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:42.516074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052154
observed ec4be1ea8663ca88b76c80d7a9e8e730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:42.498862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052154/manifest.json
observed 5f93b5253552cd68f64f800815ab104f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:42.479270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052154/publication.md
observed 28abbfaf762932223aaeaf79fd298fd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:42.461832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052154/publication.txt
observed f4f6e4b7602b127e17b06ceb328d6b35...
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.