OpenTechnical

OT-2026-000099212

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000099212) never changes.

Identity and time

Publication numberOT-2026-000099212 · never reused
Internal UUID01a0aea2-8288-72ec-bef0-b291e249d9fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099212
StatusPUBLIC

Content hashes

Canonical text2d86392d98f9a4c10b6cdda8e54242b014dc8190bbbd8f0f223fb84e35f0958d
Markdown754fdfb4745d2d582c77b276e780a6149a15f3d7076dbb007a1aaf39b9099d34
PDF
Publication page3023cf9116dba8bc0ee7e5f0f807977e8944243e719acd42f3c8f15f3eced8af
Manifestde59cccb48a718c34ecf46be7a8784ea33192456a90d9fed3b0be356246baec2

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
SignatureLav5nWmIOw5nMsqHGpnAYUcMhyMX3b4EAjfh2qtidR3U2YpshdFDSOPQwsGkhgltYGiokz5+NbyobR6rlKCVBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:36.423073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099212
observed 3023cf9116dba8bc0ee7e5f0f807977e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:36.406707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099212/manifest.json
observed de59cccb48a718c34ecf46be7a8784ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:36.387885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099212/publication.md
observed 754fdfb4745d2d582c77b276e780a614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:36.370969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099212/publication.txt
observed 2d86392d98f9a4c10b6cdda8e54242b0...
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.