OpenTechnical

OT-2026-000039616

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000039616) never changes.

Identity and time

Publication numberOT-2026-000039616 · never reused
Internal UUID01a0ae78-d8d4-7a62-8d47-5e08f3831066 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039616
StatusPUBLIC

Content hashes

Canonical texted9442200cde50fbc0cc56d34d8aec286e23aab3b96ddcac78c88bee57d19f6e
Markdownb82f2a7e23e0b3b8fed97c03b5c2636274f8ea0c21e2231d63e46e93a543b9c8
PDF
Publication pagef25d198496ca0b52f3cf9b9824e991cdd7425e79fb9d95d85e97f007eab73c25
Manifestcb998564fb1b7c50615061e404edeadf73bf6f1ad00fe602be72ef3903f5925e

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
Signaturey3od00FaBx2iOzDfl5YykDZ+/Mxr7Vtvx1FHEKOeysMZ+URJLnAmzk/BJcIOy9n1DEroVMaJlqPv33i24feHCQ==
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

2026-09-17T11:19:46.916318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039616
observed f25d198496ca0b52f3cf9b9824e991cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:46.897260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039616/manifest.json
observed cb998564fb1b7c50615061e404edeadf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:46.878849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039616/publication.md
observed b82f2a7e23e0b3b8fed97c03b5c26362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:46.860797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039616/publication.txt
observed ed9442200cde50fbc0cc56d34d8aec28...
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.