OpenTechnical

OT-2026-000020128

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000020128) never changes.

Identity and time

Publication numberOT-2026-000020128 · never reused
Internal UUID01a0ae6f-4378-716c-9b9c-0a4b3d2cf2f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020128
StatusPUBLIC

Content hashes

Canonical textbc2ce8ae3b68038fbfa7c795a072a3b18779d21db3121331dd955642820e1f12
Markdown4c388b1d2dcf25b51ad893e19b6c37b14d53eb7dd89825cff8a436e9c3af4011
PDF
Publication pagec551d8fddf705da989cf9879a4d7a996b4eaed81fe6e8f25a60591960ab70070
Manifest7d3d88a4d14c76b9e889e5f7893d5dea5ae347d93a06a2781310f3d7696050d8

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
SignatureJezZymaHMreLCahifIM5fU2r/SZrLq6Fv2s2WXfLuYk9wryj3IkhSb64OK/AH1P10ePdy7pNUy1TSsGJOsp3Aw==
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

2026-09-17T11:56:26.085142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020128
observed c551d8fddf705da989cf9879a4d7a996...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:26.066067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020128/manifest.json
observed 7d3d88a4d14c76b9e889e5f7893d5dea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:26.046812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020128/publication.md
observed 4c388b1d2dcf25b51ad893e19b6c37b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:26.027050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020128/publication.txt
observed bc2ce8ae3b68038fbfa7c795a072a3b1...
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.