OpenTechnical

OT-2026-000023616

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000023616) never changes.

Identity and time

Publication numberOT-2026-000023616 · never reused
Internal UUID01a0ae70-aed3-75c4-a124-d511b2cfb4c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023616
StatusPUBLIC

Content hashes

Canonical texte68ca443a0583a2cc9311a6c272d4b7c1aabe4b407154cb68c5fe5d88cad0d60
Markdown90372f9c478e78d955cb2aeb6c96a0602bd924094178c14ec2615d45bbcadc33
PDF
Publication page2e6fe11935d8629a04ea6c7086b3f33417c73f6f9ecc36e11d7b8ea063083aa6
Manifeste632b89c6e27b52ec21e74136a7be4c43a8f1aec7ac06cc38d059a9b06e4ae3d

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
SignatureOUicsogctwMLY9GvXcGwd5H8OfgRhP/v+lgGXgtnK9+r2ddaVTbnMr48NKgVCDZvL6m+eg+6yRT9ZJyI4CjXBA==
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

2026-09-17T11:49:49.205132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023616
observed 2e6fe11935d8629a04ea6c7086b3f334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:49.188101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023616/manifest.json
observed e632b89c6e27b52ec21e74136a7be4c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:49.170590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023616/publication.md
observed 90372f9c478e78d955cb2aeb6c96a060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:49.154245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023616/publication.txt
observed e68ca443a0583a2cc9311a6c272d4b7c...
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.