OpenTechnical

OT-2026-000038149

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000038149) never changes.

Identity and time

Publication numberOT-2026-000038149 · never reused
Internal UUID01a0ae77-f88b-7242-b834-387471ded4b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038149
StatusPUBLIC

Content hashes

Canonical textb787dbc5c46acc875dedfcbd9be4c783be9d3c1cf1cabba3f0143a2ab4381782
Markdowna7d2a07e4556ad8d225d36d12c8c996147fb1c01cd5e98a8eb3e1ac4e19ab3a5
PDF
Publication page303e767e00c245bcc01bf2ef1272c99ce8ab35b6bd1a9209484ce50525420887
Manifest1e4e3ddee1f7e1c8512a94c862140cef0a6c5b522be2cfec3289896111a6b356

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
SignatureNSPFG3X5RNer34tTgfQ/0w8Zm0g9SloK/+PH+0E1GIKZoPb1wAAxhlS5RevPrXGU1FO/T0bXJZUEYmR1xTAGBg==
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

2026-09-17T11:23:29.903867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038149
observed 303e767e00c245bcc01bf2ef1272c99c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:29.885760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038149/manifest.json
observed 1e4e3ddee1f7e1c8512a94c862140cef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:29.868452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038149/publication.md
observed a7d2a07e4556ad8d225d36d12c8c9961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:29.850082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038149/publication.txt
observed b787dbc5c46acc875dedfcbd9be4c783...
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.