OpenTechnical

OT-2026-000036171

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000036171) never changes.

Identity and time

Publication numberOT-2026-000036171 · never reused
Internal UUID01a0ae77-01ce-77e1-ad18-d8b71a43560c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036171
StatusPUBLIC

Content hashes

Canonical text8e37884906c6ad550c6b6c0737c66356d188e0c6c55121d135ff9e9bd6fac753
Markdown4d70e8e71cd456cdbc021b7e5709b76aaaebbe40493867603dcb721bc3e2b995
PDF
Publication page550a0a5b8f93590f92a0b0cd45baaa372acb91d5ba47edf8159327c1e8e5e440
Manifest0a4bfb23816e885ec6ab8746d2ab6a90cad99afb60f694119691c3f04eda0566

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
Signature92VCK6rbd4P2KHK79GxN5Yk1m9Cdm7G+YJDfl8a3wfAG9HzB2Tp/fVulGbm0epBx3IhXayHeilS58Wf9U+MrBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:26:24.000409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036171
observed 550a0a5b8f93590f92a0b0cd45baaa37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:23.982722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036171/manifest.json
observed 0a4bfb23816e885ec6ab8746d2ab6a90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:23.965365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036171/publication.md
observed 4d70e8e71cd456cdbc021b7e5709b76a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:23.948598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036171/publication.txt
observed 8e37884906c6ad550c6b6c0737c66356...
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.