OpenTechnical

OT-2026-000063333

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000063333) never changes.

Identity and time

Publication numberOT-2026-000063333 · never reused
Internal UUID01a0ae8c-f943-7b3a-8b20-ffdbb064fbfb · 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-2026-000063333
StatusPUBLIC

Content hashes

Canonical text68b95bdfac57fac7fe833d3ffd05f1b115ea89bab402228816a1fd488ca50f73
Markdown3b72e1c075dc86fe6bfa8b808d7597e1a64da37abc201662f4962f70e1fd67f1
PDF
Publication page80cf4122876fd6759fb3ecd2c478d737e641ba53c4fe9e538b8fc9b4e08d8d1d
Manifest51c51e0da122af7a7c9a6c964f6bd65a6a4abdc8bf9a51dbe26a897d2d6dd484

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
SignatureSeCAr6XwbC3M5A1o/4qT2DQ1RyaW94s2a0u88Lx8T4b1g2r4c7/l9s5dcWn/ass7kNNerXL4L7Y53+qsXIoDCQ==
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

2026-09-17T10:37:13.696924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063333
observed 80cf4122876fd6759fb3ecd2c478d737...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:13.678475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063333/manifest.json
observed 51c51e0da122af7a7c9a6c964f6bd65a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:13.661173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063333/publication.md
observed 3b72e1c075dc86fe6bfa8b808d7597e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:13.643780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063333/publication.txt
observed 68b95bdfac57fac7fe833d3ffd05f1b1...
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.