OpenTechnical

OT-2026-000063506

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000063506) never changes.

Identity and time

Publication numberOT-2026-000063506 · never reused
Internal UUID01a0ae8c-f945-72df-a7a2-178d272ac241 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063506
StatusPUBLIC

Content hashes

Canonical text83e70ea350b7e1f17e6ea28013ed3d6672acfec045dd9b84fac93c2627464942
Markdown502bec26807b92cadb3fc09801dd45cb02325c2979fe897f7549b9f6b8530f32
PDF
Publication page2629e259dd004c171aa20e5fa4ff921487645beff8c06dd47b4321b20ee1c7c4
Manifest4b5baa5bb2e15daf249a137d530fe8b2389c137789770378c63ae4cbe86b541f

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
SignatureY6yTv1I/V0LCQAzoIzm+IeJKXuDgbpXUEPG7NvMPVU0fPmOmzuJkTAT2LiimnJuZCpOs997eREp8BBYOVXI8Bw==
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

2026-09-17T10:37:29.274054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063506
observed 2629e259dd004c171aa20e5fa4ff9214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:29.257767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063506/manifest.json
observed 4b5baa5bb2e15daf249a137d530fe8b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:29.237567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063506/publication.md
observed 502bec26807b92cadb3fc09801dd45cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:29.217826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063506/publication.txt
observed 83e70ea350b7e1f17e6ea28013ed3d66...
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.