OpenTechnical

OT-2026-000063522

Publication integrity record

Foam pad vacuum gripper, 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-2026-000063522) never changes.

Identity and time

Publication numberOT-2026-000063522 · never reused
Internal UUID01a0ae8c-f945-7d12-b6d4-c929dd51e2a6 · 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-2026-000063522
StatusPUBLIC

Content hashes

Canonical text86c4e24e70c9d563749ed5f656637fa2ded114e9ff259095a0cc3b0ca00fb65e
Markdownccd60e15d2a87da918da49be828a78e142782b8e6b54d1779d41ff0a14e6cc69
PDF
Publication pageb20c6ff8e618272f88ca0c7bb0c23ef5ca90c6f0455b14c5e99d2ce782fb6b24
Manifest5f464436f7415e6e5d5979d92ced701ac45c8803b981e8a638d8e48d088fff88

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
SignatureeZ7zTrcLT/03mVaWu2Vnx38qDbVtaVljX3v5FlPaBv/NaQqhqiMA2upOttV+zeAH916hAGVlm5SdZBkutVBODA==
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

2026-09-17T10:37:30.625584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063522
observed b20c6ff8e618272f88ca0c7bb0c23ef5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:30.607310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063522/manifest.json
observed 5f464436f7415e6e5d5979d92ced701a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:30.582028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063522/publication.md
observed ccd60e15d2a87da918da49be828a78e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:30.563001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063522/publication.txt
observed 86c4e24e70c9d563749ed5f656637fa2...
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.