OpenTechnical

OT-2026-000027365

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000027365) never changes.

Identity and time

Publication numberOT-2026-000027365 · never reused
Internal UUID01a0ae72-6997-73d0-a5c6-087b7bdf5f69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027365
StatusPUBLIC

Content hashes

Canonical text015c40b1cebb7e742a60cae77a98f437662c48dd145042ccb39286c839f15dbe
Markdownbe7d6cd182bf30675ce60a294d28194b23c60f2911d43db69a7ac5c749a36562
PDF
Publication page22d376b45dc233a2cdaadb1c74277807ba7f20b9fb6b3a786b040d1ea2c82359
Manifest75962a7b920e9996a117c5df0b9c272c769cedaf48becef847c9da17ee22a0cb

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
SignaturetrtSsBKS10nAO4Q0nz2shdGTQJi3qj8jiO5gf+HB2vtAoA+EYTEzM0c68LgYt5fRNXfJ8TfOx1TaUg9cZANJCw==
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

2026-09-17T11:42:46.734766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027365
observed 22d376b45dc233a2cdaadb1c74277807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:46.716675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027365/manifest.json
observed 75962a7b920e9996a117c5df0b9c272c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:46.699517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027365/publication.md
observed be7d6cd182bf30675ce60a294d28194b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:46.679974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027365/publication.txt
observed 015c40b1cebb7e742a60cae77a98f437...
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.