OpenTechnical

OT-2026-000039508

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000039508) never changes.

Identity and time

Publication numberOT-2026-000039508 · never reused
Internal UUID01a0ae78-d8d2-7ef3-b758-9e5ef85f9c39 · 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-2026-000039508
StatusPUBLIC

Content hashes

Canonical textf6ec2259e7181d1e5cfbbfc5b68be16e0905a3f11ea07b0ddc827a3c5c511863
Markdownad98fc2b65078c455c9e84a4c3b1d062ad45d364a20704e465cf858c46b5952e
PDF
Publication page1d2d33b6207dfd7339921b237759a1092975373f89e970ad94ee7e09841f85b0
Manifest4285eb6c7fc4d8e176e8394958ab3e2bdedc02695ad45c57aa7143b65e2082e8

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
SignatureP3JaO5Q8DxDk5KXCjP2SCXn2TQybTZ4hrzAArzAErcscSI5fWsrll2eyrJCVvzq5WbMU+5/OybMkCovpsX23Bw==
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

2026-09-17T11:19:38.611261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039508
observed 1d2d33b6207dfd7339921b237759a109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:38.592018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039508/manifest.json
observed 4285eb6c7fc4d8e176e8394958ab3e2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:38.575173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039508/publication.md
observed ad98fc2b65078c455c9e84a4c3b1d062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:38.557535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039508/publication.txt
observed f6ec2259e7181d1e5cfbbfc5b68be16e...
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.