OpenTechnical

OT-2026-000064547

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, 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-2026-000064547) never changes.

Identity and time

Publication numberOT-2026-000064547 · never reused
Internal UUID01a0ae8d-a462-70b8-883c-bffef2e88c5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064547
StatusPUBLIC

Content hashes

Canonical text8e05b55ffd1d290a65a7f1cfd776a2ab9421764d76de9a22b9cc71d242832dbd
Markdown04b0602fce3f7eb9f9b6b4477aa66e7bd7a0de81c41793270b621b4d3c44a6b0
PDF
Publication page0675cf7a4426616fe8bde2b2c25709dc4c8ad33d9567f0fae30f3245a8ae1efa
Manifest44de8db5b12057d3eb8dec9264a2704ea95885f5b9e2f6185f0c70f0dd8e6bbc

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
Signature6eYyKt1o/PqKwkpfmnld9WOojr4t1BxcGgTZjejPZ58qFoOS7THaTp5cSatzYKt/CMFGfH4bYk/kJnOD82+RAw==
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

2026-09-17T10:36:45.935342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064547
observed 0675cf7a4426616fe8bde2b2c25709dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:45.918644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064547/manifest.json
observed 44de8db5b12057d3eb8dec9264a2704e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:45.902510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064547/publication.md
observed 04b0602fce3f7eb9f9b6b4477aa66e7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:45.885950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064547/publication.txt
observed 8e05b55ffd1d290a65a7f1cfd776a2ab...
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.