OpenTechnical

OT-2026-000032805

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000032805) never changes.

Identity and time

Publication numberOT-2026-000032805 · never reused
Internal UUID01a0ae75-4841-7c00-97c0-8a7e4b8a4d8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032805
StatusPUBLIC

Content hashes

Canonical texta3ae3f1e5a824578d6453b824f80cf7cd087fef911a927353efb0ae46931f4d9
Markdown42b3ddb2154cb63cd9daa7b89729a0df9ff18f95debbc5cc4eea47dcf27972bc
PDF
Publication pageec380e7140df3615475cf737d471292ac5df261759b0f5e8309594d43e86cf92
Manifestaa0fb866420151d4c0d5b08e3a08751ab28db3b00b17f9d153644e01f555b1e9

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
Signature1DGzZijt9FZGejB3uew+JlXu+mAtsf9yqz+EclUTHPFvrzhE6LbEOpWsOVpcHJPTaOidxIGxR2OQ0WAuWNvJAw==
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

2026-09-17T11:32:15.249394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032805
observed ec380e7140df3615475cf737d471292a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.232203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032805/manifest.json
observed aa0fb866420151d4c0d5b08e3a08751a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.214320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032805/publication.md
observed 42b3ddb2154cb63cd9daa7b89729a0df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.196120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032805/publication.txt
observed a3ae3f1e5a824578d6453b824f80cf7c...
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.