OpenTechnical

OT-2026-000022837

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, sustained 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-2026-000022837) never changes.

Identity and time

Publication numberOT-2026-000022837 · never reused
Internal UUID01a0ae70-46ea-7a65-9ebd-ace29435e3a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022837
StatusPUBLIC

Content hashes

Canonical texte186528bc13eb10577e97be11ad06cea7aaeadb9593c2b776b943d415169ca99
Markdown6205b71c33a3c2eafb5310de0ae1b3ec1374bf3a289fadf37ce3b15799c6d71d
PDF
Publication page970fd842bcbdb0cf86a56a15bd29d7cf42592079d5ac454e1149c317ca8d598e
Manifest30625e07df7f33727e6d2ecc18e75ba72b6e0c2466fce6dd8a38d368b3be44e0

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
SignatureaRIghV56HqDjf0E5NlZeqcB5FxWCIrp/Uui5ryavKT61DLnvplCPiFlY6ABoMsyDdlIo+ivFCBrtnq1GMIJyAA==
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

2026-09-17T11:52:22.319603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022837
observed 970fd842bcbdb0cf86a56a15bd29d7cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.301385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022837/manifest.json
observed 30625e07df7f33727e6d2ecc18e75ba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.284366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022837/publication.md
observed 6205b71c33a3c2eafb5310de0ae1b3ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.265440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022837/publication.txt
observed e186528bc13eb10577e97be11ad06cea...
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.