OpenTechnical

OT-2026-000051350

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented before 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-2026-000051350) never changes.

Identity and time

Publication numberOT-2026-000051350 · never reused
Internal UUID01a0ae83-2741-73a5-81cc-c37daee6221d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051350
StatusPUBLIC

Content hashes

Canonical text3654f31e5e9de0cf7dc531d7832931eba4febc6ebf16120f6a3e3b75330c9032
Markdowne1c7c25622044eceab4d4717b2a196ac2e06ac00e0403018be5da085486d6d0f
PDF
Publication page1025e504fdab8e4f97a799d4a2780220d0526e5577dc14f66f22f6fa0450c31e
Manifested423486bc530314853ed8623a6efb9b3ba880c794bb757372c411f063446766

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
Signature6SZuoc1oXiHDZC7cT/c4fHfhU6249GAXHd4/eBscfuXMQl8ywrMjUxne8J+wyhs0f7n2rINNc6i5e+jqTXh3DQ==
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

2026-09-17T10:59:14.225765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051350
observed 1025e504fdab8e4f97a799d4a2780220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:14.208383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051350/manifest.json
observed ed423486bc530314853ed8623a6efb9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:14.189441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051350/publication.md
observed e1c7c25622044eceab4d4717b2a196ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:14.167751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051350/publication.txt
observed 3654f31e5e9de0cf7dc531d7832931eb...
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.