OpenTechnical

OT-2026-000033445

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000033445) never changes.

Identity and time

Publication numberOT-2026-000033445 · never reused
Internal UUID01a0ae75-a38d-7711-b2b1-171deef6be8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033445
StatusPUBLIC

Content hashes

Canonical text33b29b68f59308c02281a0bbe351fd92b3ec2e2eb9e510b7abce513ef613a220
Markdown93e58f26652fe089e4221888fd2d587cb0e0940e7558ed508bbd316fd2d4615e
PDF
Publication page4801e2dc0819eaeb7a53d142c7fc3b7eb00205677c6d0631302e7a1c8b4aa041
Manifest9a816614fc986545128bea94b158df9a4741420246953bf25407b8ad75f6a6fd

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
SignaturerSqZya0l1c6n/k8AVearRB4j1IgHNgV2Id3iJFBShRjEpANioFuWYIOS5Pxlviv0mSwDjLyYx/1bqc4pGHHKAg==
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

2026-09-17T11:31:16.678602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033445
observed 4801e2dc0819eaeb7a53d142c7fc3b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.661365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033445/manifest.json
observed 9a816614fc986545128bea94b158df9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.642372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033445/publication.md
observed 93e58f26652fe089e4221888fd2d587c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.623178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033445/publication.txt
observed 33b29b68f59308c02281a0bbe351fd92...
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.