OpenTechnical

OT-2026-000064714

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000064714) never changes.

Identity and time

Publication numberOT-2026-000064714 · never reused
Internal UUID01a0ae8d-deb9-7150-8e40-bd8c025cb828 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064714
StatusPUBLIC

Content hashes

Canonical text9e816fa7d7f53c1d3da5b0899aaeea7d819db3429bf0e54a18b4366645f74035
Markdownc55d2a0ee9ce929273d180d48aa1f353d4ad724afbd686622fb77f4a0db80574
PDF
Publication page40118d883e714454bb12cdf71de95a9e59bd9f257f46137d47f7ce2141255283
Manifest642d6ffe25e42b44cd623567f84ff2b217e4d4cf85c8e88c8cc3aa8372917e12

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
SignatureeQ95jBak4Dnm09EX/gfG57Ej47HNmfylukuhNqu3yWnkoACqv3O2kLUg6sQdo+ElKbFWjuVr6wAHf707qNxWCQ==
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

2026-09-17T10:35:35.221808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064714
observed 40118d883e714454bb12cdf71de95a9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:35.203688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064714/manifest.json
observed 642d6ffe25e42b44cd623567f84ff2b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:35.183556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064714/publication.md
observed c55d2a0ee9ce929273d180d48aa1f353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:35.166103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064714/publication.txt
observed 9e816fa7d7f53c1d3da5b0899aaeea7d...
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.