OpenTechnical

OT-2026-000037541

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000037541) never changes.

Identity and time

Publication numberOT-2026-000037541 · never reused
Internal UUID01a0ae77-b8ce-7989-b910-4d29b50fbc06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037541
StatusPUBLIC

Content hashes

Canonical texta44d944b13da5eb1c17edb61400c6ba7070386dcf30ba40553c8c788edbc863f
Markdown2c9de1a4ed7b5870d8d0e5b984c2c3f20bc9f5e255ed80eafef252e86d4dad5c
PDF
Publication paged5adb71d49acf2e6211699b1e907c72d7f7c6c0363d7cc0c43922c64d04ed544
Manifest804147f41d69de1cb6e018cb16adf6b7786622d073bc37ffee770c19ae133c70

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
SignatureMw09xDffy2uf7in2LGzxXS1caBSm9XnEyO4HtcjnhO3+39dIj7fizeNZinVrnFy55ryloLwKEnQRzqsWAy9OCg==
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

2026-09-17T11:24:04.939392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037541
observed d5adb71d49acf2e6211699b1e907c72d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:04.922004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037541/manifest.json
observed 804147f41d69de1cb6e018cb16adf6b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:04.905504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037541/publication.md
observed 2c9de1a4ed7b5870d8d0e5b984c2c3f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:04.888669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037541/publication.txt
observed a44d944b13da5eb1c17edb61400c6ba7...
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.