OpenTechnical

OT-2026-000019048

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000019048) never changes.

Identity and time

Publication numberOT-2026-000019048 · never reused
Internal UUID01a0ae6e-d523-78d4-b329-9e13fadddfa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019048
StatusPUBLIC

Content hashes

Canonical text762b8bb544871ded7fa7ec5ec9be727406add1fe20d38837bd83deb24cdf9d24
Markdown28adff503efc89c8508bdefdcb61f75d185ee1e542f2c1723865e2cab0ed2ecd
PDF
Publication page960e954df4d0a733286c1d28cd610df2b70aedbe90ce1781083fd7375751ebc3
Manifest47de1ac48a251946f1261fde1dbab78af77d98d672a772224e31f5e8347972fb

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
SignatureBC2GGYR70Am4mdFjrhn6AH0FMVPjZdaOS2/6etgzAKZViLthIFDRjmqMTcVRwVE0Z4h6VuAL+AeYSueGmMCdCA==
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

2026-09-17T11:59:44.540457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019048
observed 960e954df4d0a733286c1d28cd610df2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.522928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019048/manifest.json
observed 47de1ac48a251946f1261fde1dbab78a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.505649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019048/publication.md
observed 28adff503efc89c8508bdefdcb61f75d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.487929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019048/publication.txt
observed 762b8bb544871ded7fa7ec5ec9be7274...
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.