OpenTechnical

OT-2026-000061517

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, vented after 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-2026-000061517) never changes.

Identity and time

Publication numberOT-2026-000061517 · never reused
Internal UUID01a0ae8b-7b44-7b20-a53d-cebbc313894e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061517
StatusPUBLIC

Content hashes

Canonical textab3b9aa6da9573b0a491b4f953769b40df2b0c792e51c5364babba9d6de5ce69
Markdown9771744b45f53ff6e3d9be999338fa7356b89762040d19bd3fbbd17d43a732a0
PDF
Publication page567f08754d50df40d1c3fa91302c92a6424087f185a3de2b575e3782153f605c
Manifest1951187dc9442b1e49111926d5d8271ea0c3c9be0173523aaa18397f1f5d865f

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
SignaturebYO5eE8C3AFSaPXtEcnGmz6YPSVDXLAcQk4o7EuZftJGS4nRDT4s8ozfcdrhh0vez+b4h21ZMrFM31NFLMtYAg==
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

2026-09-17T10:41:24.965218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061517
observed 567f08754d50df40d1c3fa91302c92a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.946518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061517/manifest.json
observed 1951187dc9442b1e49111926d5d8271e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.929875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061517/publication.md
observed 9771744b45f53ff6e3d9be999338fa73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.912820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061517/publication.txt
observed ab3b9aa6da9573b0a491b4f953769b40...
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.