OpenTechnical

OT-2026-000055329

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000055329) never changes.

Identity and time

Publication numberOT-2026-000055329 · never reused
Internal UUID01a0ae86-a100-71ff-885e-541955998ba2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055329
StatusPUBLIC

Content hashes

Canonical text0d2707f0a4ed198ce6b544c78054adedb566014c762e0ab18ccccb094dc738db
Markdown9a0f45d0e55543e842c2f742dfac74f1a3ce99b39f0e9fe97dc22526b9b3bab9
PDF
Publication pagec7d0e028376fc5862fd6d2c04f925f3be2ae439251c936ef0fff1db2e18ecd95
Manifestad2db43b85424d53ba6d2affc9ea989aa917a6c5753d770d564f2c16a90a37ca

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
SignatureMpKLex4seDASVKivN/WG1wOWgIGse8xSvidaZOA9OHhUWGvcyzWwW8a5UGO2ewF8uJ3p2w0LnynK3E5iGLUFBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:56.991200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055329
observed c7d0e028376fc5862fd6d2c04f925f3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:56.974916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055329/manifest.json
observed ad2db43b85424d53ba6d2affc9ea989a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:56.955642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055329/publication.md
observed 9a0f45d0e55543e842c2f742dfac74f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:56.938241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055329/publication.txt
observed 0d2707f0a4ed198ce6b544c78054aded...
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.