OpenTechnical

OT-2026-000029243

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed 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-2026-000029243) never changes.

Identity and time

Publication numberOT-2026-000029243 · never reused
Internal UUID01a0ae73-2aa1-758d-b559-427234ddec93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029243
StatusPUBLIC

Content hashes

Canonical textbe6c8a2e0d809b2b9c19bb182f2b19ee383dbda1abb3d81ee12933b391e78bab
Markdown270fab76ea02a02b901c574164ce731556b422a8fde2ab20e100dc9a0c9522d0
PDF
Publication page4d89c9f2b4b0242832479f491dc644d09b3224447b2475c764a4eb45aaeb6051
Manifestd98ec634ce071eea69c430c13851434bc31e097d05c9c2f0e145dca45b6f9f85

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
SignatureZCtY/mY5vy130do7MgcxbFxtNKnmaXxqdpeTSMX4NDqq+auS/+1qRRiXyeFNkSX5RTf7G6pixawgs1K1v+38Bw==
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

2026-09-17T11:39:52.158248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029243
observed 4d89c9f2b4b0242832479f491dc644d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:52.141657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029243/manifest.json
observed d98ec634ce071eea69c430c13851434b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:52.123255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029243/publication.md
observed 270fab76ea02a02b901c574164ce7315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:52.104851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029243/publication.txt
observed be6c8a2e0d809b2b9c19bb182f2b19ee...
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.