OpenTechnical

OT-2026-000026974

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000026974) never changes.

Identity and time

Publication numberOT-2026-000026974 · never reused
Internal UUID01a0ae72-3453-75c4-9629-4f5db1857388 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026974
StatusPUBLIC

Content hashes

Canonical textf0707707e6c227dac78d9268bcb4d777bd1f35c94606ee8d617ff5508fda7946
Markdownd3474848de1a3cd659f2a332eea93e2b792b953918d077220426cdb680e10d3f
PDF
Publication page3b97d33a23abb8d7f335263416822f000e36c6365d6dc0eb069d713b1d93f3d9
Manifest6fc390cca8b77cede8511cec4cc6b5402f57db11783a6d74e4ab1eadbd31ad06

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
Signature4ISrrFt8TNAizgVbYsMtTDjd2BrIT6wX7JAZCm6dBLayQD5rNj6NAzH54lnYqHU5cVnY5tvI5gYtbbSoqRJwBw==
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

2026-09-17T11:43:35.922307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026974
observed 3b97d33a23abb8d7f335263416822f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.904468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026974/manifest.json
observed 6fc390cca8b77cede8511cec4cc6b540...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.886795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026974/publication.md
observed d3474848de1a3cd659f2a332eea93e2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.869186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026974/publication.txt
observed f0707707e6c227dac78d9268bcb4d777...
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.