OpenTechnical

OT-2026-000031858

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000031858) never changes.

Identity and time

Publication numberOT-2026-000031858 · never reused
Internal UUID01a0ae74-bad1-7b00-a5f6-5df5cbe9354c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031858
StatusPUBLIC

Content hashes

Canonical textcc571597b39144c04b449acf3a0349497f13eefd6b7ba2c6df6f69bdd726ced1
Markdownea51bfa7faca9e756462c19a46dc2cc5859e800748f5bbc2461a793ac9a2d3af
PDF
Publication pagef3e5602304a3b21bbf62157f5f3ca00122c189583e329ab197bc6f72ba70dd44
Manifestda08291ed988c8bbe9ae8d966995e6122f9e759a191c56058dfab2fd5d561ed2

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
Signature5zgDyPP8lNFEwuZG0Jc+8HD7ql6Z1f4fCR4dkFExkQ51HtZkBSLEomfR3O0KM0goklr1aQz8rfUjqEMQetkjAA==
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

2026-09-17T11:35:06.844550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031858
observed f3e5602304a3b21bbf62157f5f3ca001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:06.825723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031858/manifest.json
observed da08291ed988c8bbe9ae8d966995e612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:06.807104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031858/publication.md
observed ea51bfa7faca9e756462c19a46dc2cc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:06.787650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031858/publication.txt
observed cc571597b39144c04b449acf3a034949...
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.