OpenTechnical

OT-2026-000049290

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000049290) never changes.

Identity and time

Publication numberOT-2026-000049290 · never reused
Internal UUID01a0ae81-1350-7596-ada0-cd5122f8298c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049290
StatusPUBLIC

Content hashes

Canonical texte95a4408262cb2216681ced05b7f9773813d897ed9b2d66bb0d045e6c82fe712
Markdown25125db836ac4d078ca62b29aa1c5d210f1c1bfdf1e41a3af1b700ea73308173
PDF
Publication pagec24325b092a044630ab05b27f4d4fe4ea5a5883b951ae6a614e1d2028d96ec70
Manifestd4eb681d0c7ccbcb7b5430ff663c3727ee3541d5b881d6cf4281d8fe53db13a2

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
SignatureDOPy5l7h6ke25rK0M7V+JnK2dxSews+CAE5jWwz3EGh/HaM3W87fHklDiWXec8KvWmAVh0KI/PCfYEr/CYyABA==
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

2026-09-17T11:04:09.052947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049290
observed c24325b092a044630ab05b27f4d4fe4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:09.033993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049290/manifest.json
observed d4eb681d0c7ccbcb7b5430ff663c3727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:09.016237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049290/publication.md
observed 25125db836ac4d078ca62b29aa1c5d21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:08.997951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049290/publication.txt
observed e95a4408262cb2216681ced05b7f9773...
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.