OpenTechnical

OT-2026-000026358

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000026358) never changes.

Identity and time

Publication numberOT-2026-000026358 · never reused
Internal UUID01a0ae71-f4a7-71a3-83ef-d9e3213720f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026358
StatusPUBLIC

Content hashes

Canonical textcd5916631b14d82aa147349d51dc88158e8b02b02852c35aa5ccdb46a5168e35
Markdown4a1d2996660a74a86b43f7349bca2e96e1d3422320f35dc14e11f42dd902f00b
PDF
Publication page5db4942d828999a26263b5eba42eb8776eae1a77ac8779fc9a63ef958ab5f25b
Manifest6b79b2b90dfefdc0fe282947af2300f3957c96e5a1e5d859ffdd027d9acd3e2c

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
SignatureCMLfdETrGmKWhELA/imQ+AHo+QP4E0eQKVERF9kKn/kvUV2ZZRtvMymHS5JjhmOlwGJToNDf2Sb6FUHfYPmGCw==
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

2026-09-17T11:44:19.940956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026358
observed 5db4942d828999a26263b5eba42eb877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:19.923998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026358/manifest.json
observed 6b79b2b90dfefdc0fe282947af2300f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:19.906358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026358/publication.md
observed 4a1d2996660a74a86b43f7349bca2e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:19.890457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026358/publication.txt
observed cd5916631b14d82aa147349d51dc8815...
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.