OpenTechnical

OT-2026-000044431

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000044431) never changes.

Identity and time

Publication numberOT-2026-000044431 · never reused
Internal UUID01a0ae7c-39d7-7c96-b119-669a6eaa8d4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044431
StatusPUBLIC

Content hashes

Canonical textbe5f212c3e3ca3640490ad76b3147d1a3cada67e9eea823890253ef3cc80e102
Markdown59248455624e91172b740e1576c253075d79c378f51637330d69945784f755fa
PDF
Publication pageb3afa8c7f9ab39fc5eb4e59d3e140e477196373dbd0dd5df6ca1357bd5796b92
Manifestae2096f475d8971c8bb13ebf7f51edd80c4ef272379f2f82068a60eefe933129

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
Signaturemwxz3CEOjxEr88wBCPcoexIDsqUO9/XqUCg7nUyPW8FGSL48RL5tPkN9JUYQq5uaMPoEMU3+lgJ5eCfBE2GyBA==
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

2026-09-17T08:30:44.974041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044431
observed b3afa8c7f9ab39fc5eb4e59d3e140e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:44.834520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044431/manifest.json
observed ae2096f475d8971c8bb13ebf7f51edd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:44.818863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044431/publication.md
observed 59248455624e91172b740e1576c25307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:44.800547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044431/publication.txt
observed be5f212c3e3ca3640490ad76b3147d1a...
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.