OpenTechnical

OT-2026-000062120

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000062120) never changes.

Identity and time

Publication numberOT-2026-000062120 · never reused
Internal UUID01a0ae8b-b8b0-7252-87d1-50ee2f5edfec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062120
StatusPUBLIC

Content hashes

Canonical text99686e5f3071daa6b7f471a5452a2ecef5cc8bb3fb8085a77215a605e482dc64
Markdown99a39f286f3d36d601834e2b7bf61e648c11e99a669d46035f9e32353f4227e1
PDF
Publication page173a5eab8c6407f5aafa11edb4bce1e5b76d2e29191ab780c0abddef50bf662e
Manifestd59e654baf620d14e40bcc074db78e25949cf7b2094a4b3239470b0245bbb822

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
Signature2INAqZWlxOnh37AH1x75B3o14EE8WKhl+oHTK7Bvtk+sv8pqjJAB//NUGN26Ce57mGlSIA1ekNev2jOVYpi8CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:10.947305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062120
observed 173a5eab8c6407f5aafa11edb4bce1e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:10.926742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062120/manifest.json
observed d59e654baf620d14e40bcc074db78e25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:10.908439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062120/publication.md
observed 99a39f286f3d36d601834e2b7bf61e64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:10.889597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062120/publication.txt
observed 99686e5f3071daa6b7f471a5452a2ece...
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.