OpenTechnical

OT-2026-000049865

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000049865) never changes.

Identity and time

Publication numberOT-2026-000049865 · never reused
Internal UUID01a0ae81-fd75-7f9d-aa08-6581dcfe0594 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049865
StatusPUBLIC

Content hashes

Canonical text960b46a6cbf67ec43e7a8411f23b740d140afb2d7a5b30cfa96656f8b9917f09
Markdown9ed8083f5d9b44ad9b1d86e9d353664df4794eb61314f8ecf9cd2e304e16a5fd
PDF
Publication page27d30ba880ab1a542c9176f00976d7b7f8b44fcc5b135a593c2c13dfbde50eb9
Manifest2ceb55cb295ec420b302e361e1e6e0b0693d634d6ecf156bf7de77e0b9930394

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
Signaturet15UJX+Tqv///wBe1Z+12mjM7tEYow6VHi/S4j9yN3H2tqWiUMLxbOnlcAoks3Tn97KRpS3JX3Wjlw1LtXahAA==
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

2026-09-17T11:01:46.314508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049865
observed 27d30ba880ab1a542c9176f00976d7b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:46.296073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049865/manifest.json
observed 2ceb55cb295ec420b302e361e1e6e0b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:46.277042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049865/publication.md
observed 9ed8083f5d9b44ad9b1d86e9d353664d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:46.259295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049865/publication.txt
observed 960b46a6cbf67ec43e7a8411f23b740d...
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.