OpenTechnical

OT-2026-000023256

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000023256) never changes.

Identity and time

Publication numberOT-2026-000023256 · never reused
Internal UUID01a0ae70-7267-780a-b141-980307aad48b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023256
StatusPUBLIC

Content hashes

Canonical text245fc2b67655c3b1bebc432357de4b5fea95ed74d1fa474d7bc042089cac216e
Markdown414b166958daa5787f09c6abf2b54d773f95b6194f1f60034edc50b9a2adf88c
PDF
Publication pagec5680cc033053e43c4ade96de368bdaa35e6ea3ad03b1c00fdb4539f5bf3908a
Manifest806d3eca2fd01c04ff0ddf19dae060ce5eb840406ef6c6d3c613d59e59a0f62a

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
SignatureUjKK6EjpXCPhFna4nzrFNs/5ZpNNL3PLrwUihvttdSNnrsM25fSxi8/7uRTGH08DSI4SfJXDZbAOpyaninZADQ==
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

2026-09-17T11:51:19.479639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023256
observed c5680cc033053e43c4ade96de368bdaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:19.463673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023256/manifest.json
observed 806d3eca2fd01c04ff0ddf19dae060ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:19.447095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023256/publication.md
observed 414b166958daa5787f09c6abf2b54d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:19.429231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023256/publication.txt
observed 245fc2b67655c3b1bebc432357de4b5f...
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.