OpenTechnical

OT-2026-000008165

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000008165) never changes.

Identity and time

Publication numberOT-2026-000008165 · never reused
Internal UUID01a0ae6a-908c-74cb-af33-bf7790cc806c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008165
StatusPUBLIC

Content hashes

Canonical textc7c3ccdc89be76d96f9b12aa8f0cb848f8e086085353cf36cf801c8332990281
Markdown386cb0592723a9e1d71681bc686b6ab3ef39e981e93cfaddaa1ec5a77aae9e55
PDF
Publication page6d1fb96bd46e5f2930309ac95c0a4f62c497798abf3b2d22d3a4017e60b7846b
Manifest4070cb36c7c2ec491068a543db3aecc4de130d5e719f296cca4c2bc9c68838b6

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
SignaturegxC3FHwdLuxD6LZLx04oe6OCFkuZkzvfDKQ4Txrz07fzKe7hMtLYtHj59spG+b+GxSMXXmdd4h/GWHk3BD2HDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:31.643384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008165
observed 6d1fb96bd46e5f2930309ac95c0a4f62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.623374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008165/manifest.json
observed 4070cb36c7c2ec491068a543db3aecc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.595410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008165/publication.md
observed 386cb0592723a9e1d71681bc686b6ab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.577577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008165/publication.txt
observed c7c3ccdc89be76d96f9b12aa8f0cb848...
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.