OpenTechnical

OT-2026-000021342

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000021342) never changes.

Identity and time

Publication numberOT-2026-000021342 · never reused
Internal UUID01a0ae6f-865c-7a2b-9c8c-156580aad9f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021342
StatusPUBLIC

Content hashes

Canonical text555701fdf5225bd5d0016214f1d412990a75b34d35abbd974b6b9af506a71b71
Markdown14c41c791f35019eedb083f39af20ee0a910c9a3faac8879c9b01830f8362234
PDF
Publication page00f9d0d166b49553cbc5b1e6aaa821b63d3d9b8438e03dea7b60726b019feeaf
Manifestb49d089a73df0239e48ae38a6311b310a4b87999521067ddcce4c0d0c9b1849b

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
SignaturetwI/1yd3Bq1ozwdIIPSBtXS4Vg0igyfIHo5Ka+5OySu4yGSrupMHq7K1A7AsFNsYnj7GaRr2rsViT7d0rc9WAw==
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

2026-09-17T11:55:11.700552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021342
observed 00f9d0d166b49553cbc5b1e6aaa821b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:11.677843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021342/manifest.json
observed b49d089a73df0239e48ae38a6311b310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:11.658989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021342/publication.md
observed 14c41c791f35019eedb083f39af20ee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:11.638959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021342/publication.txt
observed 555701fdf5225bd5d0016214f1d41299...
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.