OpenTechnical

OT-2026-000035893

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000035893) never changes.

Identity and time

Publication numberOT-2026-000035893 · never reused
Internal UUID01a0ae76-b4c9-7293-94f1-807068b8e863 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035893
StatusPUBLIC

Content hashes

Canonical text719686e6374e08ec1f965d12a2e40b79933704d3afcbfb2778965020a3740288
Markdowne474e680b2bb173dfd4e95c964145c7bc7427d5e7f09a3649a67ca824e094eab
PDF
Publication page3f36a0850d2f579dfc63f4c8255685139f7683e5b9d1dfb22fd8627c60b22eb1
Manifesteb4f2cc0de178f22cd9a6e05175453159da29e0cc5c01e7e27e2fea5e6ba58fc

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
SignatureF1PeH6EFpI37j6NEQ20BOzr6iG2QkkZK+XBsgbTi16ESlCqnI3f9kguLsYX9vnnYSkIyUBzKpcC/3+9TydUzBA==
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

2026-09-17T11:27:38.436554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035893
observed 3f36a0850d2f579dfc63f4c825568513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:38.420224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035893/manifest.json
observed eb4f2cc0de178f22cd9a6e0517545315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:38.401637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035893/publication.md
observed e474e680b2bb173dfd4e95c964145c7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:38.384461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035893/publication.txt
observed 719686e6374e08ec1f965d12a2e40b79...
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.