OpenTechnical

OT-2026-000031984

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single 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-2026-000031984) never changes.

Identity and time

Publication numberOT-2026-000031984 · never reused
Internal UUID01a0ae74-bad2-74a0-a93b-322bc18699d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031984
StatusPUBLIC

Content hashes

Canonical text6e6857f698d672a1533a714aad6970863202ad2349ae34b1a3ef3874c26281f8
Markdown0a738def3e5be398f5aac6f42930d294cb8e7bd1ab35531091dcadf57230a084
PDF
Publication page5e1ba88356a4d3a544864ebbc93f52e21d89d002810ba6dc0b2a635be7b79c54
Manifesta83be40303ea4353e113e77bfa4974b447d49e98c3046f992e46a8f07f4a1b07

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
SignatureBKvy7QjdRQjvU9MjEWAWWTs/mh68sByidV3FcJCqOH9VK24tt/GoqLisu+LOGZXDlLl4aSAgqEmDdoe7yUh0AQ==
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

2026-09-17T11:35:16.925100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031984
observed 5e1ba88356a4d3a544864ebbc93f52e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:16.906217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031984/manifest.json
observed a83be40303ea4353e113e77bfa4974b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:16.887932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031984/publication.md
observed 0a738def3e5be398f5aac6f42930d294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:16.866637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031984/publication.txt
observed 6e6857f698d672a1533a714aad697086...
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.