OpenTechnical

OT-2026-000011526

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000011526) never changes.

Identity and time

Publication numberOT-2026-000011526 · never reused
Internal UUID01a0ae6c-88ff-70ac-96e6-af9cc4a7fc8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011526
StatusPUBLIC

Content hashes

Canonical texta354eaa4428e42cd2d99fc76990568e5c0e6c33c91e0636ffe3e8c2b4355d829
Markdown1c43383fd4bb83dd9a78e64f39c6b2e249e32d45b0d13117cd823ecd81a796aa
PDF
Publication page7b8567114c9ce2965708a481377c0f443eba9361d31270bc181cf0d1e120da4d
Manifeste26d57e28fe3cc5a107d7c155878d2fd912cea2eaecd0243b714e382f3967a3f

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
Signature4ufHxwMQLKVJzGz0oy4GAq300XT/VqiVrKNa71cSHIHlQ3TH0pEJE+xD8YY1pvIgifESDzhmhgmd7WNso1GgDA==
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

2026-09-17T12:13:18.891415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011526
observed 7b8567114c9ce2965708a481377c0f44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.873942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011526/manifest.json
observed e26d57e28fe3cc5a107d7c155878d2fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.846581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011526/publication.md
observed 1c43383fd4bb83dd9a78e64f39c6b2e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.820672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011526/publication.txt
observed a354eaa4428e42cd2d99fc76990568e5...
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.