OpenTechnical

OT-2026-000026033

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000026033) never changes.

Identity and time

Publication numberOT-2026-000026033 · never reused
Internal UUID01a0ae71-a840-7db9-9e43-41a352039f8e · 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-2026-000026033
StatusPUBLIC

Content hashes

Canonical text89b7a0d82054e6a78360ef43c37eb1264888dafe7a7139be54548607078b4edb
Markdownea6c73db8cf4f88879f8192ed38dfd37daf57d02be3049f1999316cf86132309
PDF
Publication page72d5ce745e8e1f3e9d1150c4e3732f25cbacb7eb01037e60d065e25b44800b63
Manifest27c48f07fb70700d8b854c0c25e28057aaa1c48ea99ac7923898fc7cbf5dbd1a

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
SignatureyAdptYIiP1vqx6P1L0VyG7Y+LwGjeKqdWkEFSc24fGITTwIsQu+s+8+rVqBBT1nBpJx/7jVq/gfVr26m47LWAg==
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

2026-09-17T11:46:25.152051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026033
observed 72d5ce745e8e1f3e9d1150c4e3732f25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:25.135955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026033/manifest.json
observed 27c48f07fb70700d8b854c0c25e28057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:25.118185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026033/publication.md
observed ea6c73db8cf4f88879f8192ed38dfd37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:25.100822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026033/publication.txt
observed 89b7a0d82054e6a78360ef43c37eb126...
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.