OpenTechnical

OT-2026-000007673

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000007673) never changes.

Identity and time

Publication numberOT-2026-000007673 · never reused
Internal UUID01a0ae62-76bd-7a54-9438-86b150ae2a33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007673
StatusPUBLIC

Content hashes

Canonical text59ee169f3ecfc23db991c0c01d7de8db36f27b3a60b7f96a95ab9607e95e9f9e
Markdown8a9a10e74b946965e4cfc79d62f74998a4ddd29493a16f926aef50df0deb4a5f
PDF
Publication page87af13f6b59c60eac3b6261fbac48a7effb1f03253fa9b799f6a3a8df6edfc12
Manifest818bfaa336611bfeb3442a85d508e448a1394d98f8b254f7d710974c311ca88f

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
Signature/TgdcUz/IAS4Cku3IHbNsdiwwTr94mHMlP0Wajeh2lxay6NmD4I5G3+sZm/zstD8pGiij7pOZ4JDIY1sFUWWCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:17.901883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007673
observed 87af13f6b59c60eac3b6261fbac48a7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.884963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007673/manifest.json
observed 818bfaa336611bfeb3442a85d508e448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.866547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007673/publication.md
observed 8a9a10e74b946965e4cfc79d62f74998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.847485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007673/publication.txt
observed 59ee169f3ecfc23db991c0c01d7de8db...
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.