OpenTechnical

OT-2026-000015639

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000015639) never changes.

Identity and time

Publication numberOT-2026-000015639 · never reused
Internal UUID01a0ae6e-0c4b-7271-96bd-d4eff6c60ac3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015639
StatusPUBLIC

Content hashes

Canonical text59f06ab3328cca23c2d0a6c46e08fe065e42fbc224b1dbd7093653ff506913b1
Markdown293e1b34cf1c43acc051afaa65fdb01df3a29bd79e1ecb744d26b6eb08e5316f
PDF
Publication pagec9032cdadea13b5e754b59963ec48f438089318b5f00d6f297ea4693da78e29f
Manifest40fa487e2d947b77f0dac4783f3d7c2c68c618418fd75deaa4ada2d1dd162c41

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
SignatureLNrWGLTYDZs1jcPdAtJXS8vHUjvpP8WXLjZ26Wzu1pphShkvL4xorY8kGXbbYgaTbFPm23W2nCnv2ILJoyNxCw==
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

2026-09-17T12:04:53.734856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015639
observed c9032cdadea13b5e754b59963ec48f43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.717607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015639/manifest.json
observed 40fa487e2d947b77f0dac4783f3d7c2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.599734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015639/publication.md
observed 293e1b34cf1c43acc051afaa65fdb01d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.579828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015639/publication.txt
observed 59f06ab3328cca23c2d0a6c46e08fe06...
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.