OpenTechnical

OT-2026-000026103

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000026103) never changes.

Identity and time

Publication numberOT-2026-000026103 · never reused
Internal UUID01a0ae71-a840-7205-8862-9ed21e0707ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026103
StatusPUBLIC

Content hashes

Canonical textcadb76bbb953c5482858660932b591d660f18eb3c169b509553e096cc686c093
Markdown0d3f7fb0447e40cb43fabe0b70a8ec37f30ed8c9df5d7323acfef076d10cf022
PDF
Publication pagee4faf78052021c67c9f4c68b67ee994919109dc9549a49549bde1f6969912e2b
Manifest3523b72bf8b3795cbd47a1fa873eaf1dcd66b760389e2aa2f92ada80d58d7bef

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
SignatureAqWTc6TtiOd1HQRwlPRTMB/GBFuS30sDM20LCXK9rh/+oWPStECc7Hd1F7YaTalo3vqE7XUM0QszXjNnfH/KAg==
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

2026-09-17T11:46:36.232410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026103
observed e4faf78052021c67c9f4c68b67ee9949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:36.216504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026103/manifest.json
observed 3523b72bf8b3795cbd47a1fa873eaf1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:36.193812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026103/publication.md
observed 0d3f7fb0447e40cb43fabe0b70a8ec37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:36.177718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026103/publication.txt
observed cadb76bbb953c5482858660932b591d6...
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.