OpenTechnical

OT-2026-000064761

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000064761) never changes.

Identity and time

Publication numberOT-2026-000064761 · never reused
Internal UUID01a0ae8d-deba-7674-8620-9e45ffead337 · 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-2026-000064761
StatusPUBLIC

Content hashes

Canonical text0764e379e3c38af320c8f53b4c545cc5aa45a220bda08c3b2ec076d01f4761f2
Markdown7256c0d5d8d10b8595a9d84941b01f20ac9ef59bc3bbf81360dee3fab36d1791
PDF
Publication page32cc3a469bf992cc1e2d9442880ef1717dcc1b294f71d439d857f3af08f6ad2d
Manifestd4c47c360a6780ab84da0d4a56c5376f52adb25dc976566430a268671e743c39

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
Signature575QX+9N8Q+daM/pXZ/Dj/4bI0sKEMvd3G5OPg73+cfn1ZaaeM5fYy63WgGLJdovJxGAWvUrlt7LlmXQybxzDA==
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

2026-09-17T10:35:38.803627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064761
observed 32cc3a469bf992cc1e2d9442880ef171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:38.786841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064761/manifest.json
observed d4c47c360a6780ab84da0d4a56c5376f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:38.768636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064761/publication.md
observed 7256c0d5d8d10b8595a9d84941b01f20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:38.751303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064761/publication.txt
observed 0764e379e3c38af320c8f53b4c545cc5...
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.