OpenTechnical

OT-2026-000026129

Publication integrity record

Three cup 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-2026-000026129) never changes.

Identity and time

Publication numberOT-2026-000026129 · never reused
Internal UUID01a0ae71-a840-74fe-b144-0a41e0bf2da3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026129
StatusPUBLIC

Content hashes

Canonical text9e8d898164eba2fe30510c95633a9b74a4966fb71a16390eaa5092f9ec0cf57d
Markdown7a0e5866509560cfbc4709281b195a92843bb1f8ef8ec59860fd3c2a4e7eb17e
PDF
Publication page7b456123087f9e4af5e1068444d9a0ace5cd0f10c2c4ba4cba33778fd9245bf2
Manifest7539c26a7f33a78944ace7757cc0428ba3a1d23a72c43afd7b398192166d9e77

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
SignatureAurnctAjIILbOqSh77iwMCl9hHZS52H5X4AzJtgFLau0PRscnMe74uoO/P8lB3ZTu2fytnv0xPNvNOVMj81TAg==
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

2026-09-17T11:46:02.892995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026129
observed 7b456123087f9e4af5e1068444d9a0ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:02.875667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026129/manifest.json
observed 7539c26a7f33a78944ace7757cc0428b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:02.849652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026129/publication.md
observed 7a0e5866509560cfbc4709281b195a92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:02.828679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026129/publication.txt
observed 9e8d898164eba2fe30510c95633a9b74...
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.