OpenTechnical

OT-2026-000065382

Publication integrity record

Foam pad vacuum gripper, plant vacuum 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-2026-000065382) never changes.

Identity and time

Publication numberOT-2026-000065382 · never reused
Internal UUID01a0ae8e-46f8-7868-b92e-90e8c4e73863 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065382
StatusPUBLIC

Content hashes

Canonical text66d2c26af477c962df4a64e8f436ff8b3a9ae092d9a2cb7e749a1796edfa3cb1
Markdown64380d046c9d2072f922c0cd5e3c8880c59a4f32395b5253c3b0c5903e5271c7
PDF
Publication page3a47906597df021931503a5cf7d91bbe99d1dfb9949e9382b51fed1d1e14afec
Manifestd5e703abd98c56559c933ae021e63d6966495d182a24f684e6817f435dea3125

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
SignaturevrnHx14m4L2JmFar/cggM5fObq8KI4IWZnjVOobVK17RApw15OL4emle7Qr05yKyAetgjYb3TWHYjMQXC1B5BA==
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

2026-09-17T10:33:38.265455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065382
observed 3a47906597df021931503a5cf7d91bbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:38.244892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065382/manifest.json
observed d5e703abd98c56559c933ae021e63d69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:38.224168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065382/publication.md
observed 64380d046c9d2072f922c0cd5e3c8880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:38.202528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065382/publication.txt
observed 66d2c26af477c962df4a64e8f436ff8b...
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.