OpenTechnical

OT-2026-000046443

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000046443) never changes.

Identity and time

Publication numberOT-2026-000046443 · never reused
Internal UUID01a0ae7e-57dc-76db-8ff8-5d1b510296cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046443
StatusPUBLIC

Content hashes

Canonical text33631a8b77367ec9553b4c61b38b2430aab1a59da65f7d0ceac283853aaa00ac
Markdown5f18499d11b9054ed36712322d0f9a0b8adfb11b90c6b6ea5762a58a7f7437c0
PDF
Publication page0df6e4442217ac68c9e9beeb90310adf7e5cbae2d0f5cc2e2174a8f731fa2a23
Manifest26a41ef2778648f82cff5f3bab43f475eede4f02a43ab29792b334a9bf7a2618

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
SignaturebB6dkaBv0dOK8AERzvHyIn5DLOPo39I//B6/tJjev0SZtPUNTDChlm2otppWeIyMSHz1APjRizPDvadQkgTfAQ==
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

2026-09-17T11:08:27.765155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046443
observed 0df6e4442217ac68c9e9beeb90310adf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:27.745568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046443/manifest.json
observed 26a41ef2778648f82cff5f3bab43f475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:27.728836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046443/publication.md
observed 5f18499d11b9054ed36712322d0f9a0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:27.709487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046443/publication.txt
observed 33631a8b77367ec9553b4c61b38b2430...
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.