OpenTechnical

OT-2026-000041593

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000041593) never changes.

Identity and time

Publication numberOT-2026-000041593 · never reused
Internal UUID01a0ae79-e8a0-7538-bda6-8736fdaa5336 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041593
StatusPUBLIC

Content hashes

Canonical textcbe2cef5df84841cfd54303cdb5cdf9553fec06944087735cf48669597a5c68f
Markdown784b5d92e183f94193d3f78984a12663a802cbea2bc674cfd1cda60bf1176162
PDF
Publication pageed71be96440e49701877d970d05c50a82bd325263382846944e351d0ac3b4b71
Manifestd65dd35b011d5e2b4d5d6e27ab9671627990c7a13d6b5db41dc647a4d0758948

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
SignaturenH0q4dNIn66Sw947U+TNhj39sqYHA3g4OQlDmGSjdmVbJE8n26fa1zI2cWfDLM7hsWcWpsjSs63SU3+hyLWTDg==
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

2026-09-17T11:16:22.985195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041593
observed ed71be96440e49701877d970d05c50a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.966940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041593/manifest.json
observed d65dd35b011d5e2b4d5d6e27ab967162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.948761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041593/publication.md
observed 784b5d92e183f94193d3f78984a12663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.930118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041593/publication.txt
observed cbe2cef5df84841cfd54303cdb5cdf95...
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.