OpenTechnical

OT-2026-000079606

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000079606) never changes.

Identity and time

Publication numberOT-2026-000079606 · never reused
Internal UUID01a0ae96-0b92-7752-8c9c-145e89a44d17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079606
StatusPUBLIC

Content hashes

Canonical texta55c0060d59ead8c25846ae7cf5115054d9a4c1cb2cb3129077833945c11e0fc
Markdown19f9405672f879efc80f1f2839aa1c833345d06cbda82d46d0385e8a758bd7eb
PDF
Publication pagead4a2d16b25172df13a338ed1be44460e34e602702a7decbff9ca222535488cb
Manifest8b744631af5b4e9d3903aa3cc0fe28adf97359aa5ec581f4dcd6d2b45fb1468c

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
SignatureXo+/CFTTdYpqxiwSXESbxIapOgo6sEtgRKotH9QYlLfzRa6R5gR5lC+SVvZtkf1zQsj8rcXNlwwbNgYGywzwDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:15.982130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079606
observed ad4a2d16b25172df13a338ed1be44460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:15.961776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079606/manifest.json
observed 8b744631af5b4e9d3903aa3cc0fe28ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:15.945195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079606/publication.md
observed 19f9405672f879efc80f1f2839aa1c83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:15.929040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079606/publication.txt
observed a55c0060d59ead8c25846ae7cf511505...
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.