OpenTechnical

OT-2026-000075954

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000075954) never changes.

Identity and time

Publication numberOT-2026-000075954 · never reused
Internal UUID01a0ae94-2a00-7c01-9378-1813847c01f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075954
StatusPUBLIC

Content hashes

Canonical text92ca15a6715985f275299d6c4af2d2ea487c67a89c10477be67a793d5d9eaab0
Markdownf2526b0e63c859909e6e807a740c918a319014dff2bed4571a137793acc924ee
PDF
Publication pagedc33671aa9ca162ebac856e4bd682f17fa38bb0c3c872523c7bf175eb1bf7f7f
Manifest6382d5edd4417b34bf3800476700f7d4532d26e48fe781768e2f634667105e3b

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
SignaturepluAkmAkV+QUi/1TUKqGMcr4SHt9grukRsFLDPMyW0aDtxBggYvdJWJaTzUVABfe3ahYHSs+McuxqRXsnk6bCw==
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

2026-09-17T10:20:11.277012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075954
observed dc33671aa9ca162ebac856e4bd682f17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.251366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075954/manifest.json
observed 6382d5edd4417b34bf3800476700f7d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.229541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075954/publication.md
observed f2526b0e63c859909e6e807a740c918a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.207940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075954/publication.txt
observed 92ca15a6715985f275299d6c4af2d2ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:56.695643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075954
observed dc33671aa9ca162ebac856e4bd682f17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:56.557320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075954/manifest.json
observed 6382d5edd4417b34bf3800476700f7d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:56.539145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075954/publication.md
observed f2526b0e63c859909e6e807a740c918a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:56.520682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075954/publication.txt
observed 92ca15a6715985f275299d6c4af2d2ea...
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.