OpenTechnical

OT-2026-000047536

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line 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-2026-000047536) never changes.

Identity and time

Publication numberOT-2026-000047536 · never reused
Internal UUID01a0ae7f-3e59-76fa-b802-0c2be1c2b4d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047536
StatusPUBLIC

Content hashes

Canonical text8080de10f9684fa74c13903e48beac9ef9b3c326540d71a8eeb9301f4bf1909f
Markdown551d9be4cfb9709eb1c8a9cce655560fc5649dab04041328db18a07db2ceb198
PDF
Publication page6a6d07da0165767e70e83f2a04c276e39a9850afd6d5464cd11f276b2a0734be
Manifest9ea2734cdce7222f87dfbee2fb7b9388530f8f436445d9322abe887fe8ee6cb2

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
Signature+3FmoZ09jjbn4Zm+f5qmWEmGZI30fjqFDK77Qo9jaPROcNXn8qBD051YQI5TKJ4PbfOSF9QFAukicm2nOMdIAA==
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

2026-09-17T11:06:39.111009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047536
observed 6a6d07da0165767e70e83f2a04c276e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:39.093884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047536/manifest.json
observed 9ea2734cdce7222f87dfbee2fb7b9388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:39.077203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047536/publication.md
observed 551d9be4cfb9709eb1c8a9cce655560f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:39.060824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047536/publication.txt
observed 8080de10f9684fa74c13903e48beac9e...
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.