OpenTechnical

OT-2026-000048133

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line 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-2026-000048133) never changes.

Identity and time

Publication numberOT-2026-000048133 · never reused
Internal UUID01a0ae7f-c424-7136-b08f-f2c0dfde4f53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048133
StatusPUBLIC

Content hashes

Canonical text6bd35da770df2f88f2127e144097e494cec958c3701475f70b292264037354d0
Markdown094c7c37f760f69bd2e865527a80d34593bea008fc551213c43cedafc6ac08a5
PDF
Publication pagea574dc67602abef230a0fc7d21e2b78c9c7e7e5c29b571490d9abbd37b4c7284
Manifesta98904d8df76f7dc32c478473d810aaf1cccc53c1cbfa288650687ef7d9a9b61

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
SignatureKo4YEwq9d+QrFlDfyWMfwpEnGtdvFoHR50B6xan4ReUYQOYettAonuaVxERAN2l9pWvicTP3iVS342NIfSr8Dg==
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

2026-09-17T11:06:10.407430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048133
observed a574dc67602abef230a0fc7d21e2b78c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:10.389612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048133/manifest.json
observed a98904d8df76f7dc32c478473d810aaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:10.370010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048133/publication.md
observed 094c7c37f760f69bd2e865527a80d345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:10.352744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048133/publication.txt
observed 6bd35da770df2f88f2127e144097e494...
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.