OpenTechnical

OT-2026-000045997

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000045997) never changes.

Identity and time

Publication numberOT-2026-000045997 · never reused
Internal UUID01a0ae7d-8f89-7e50-979b-ef03cd39b944 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045997
StatusPUBLIC

Content hashes

Canonical textfa6e0c534d404af646b6544a8bdb73982df518c3de98c59f37d70010703f3922
Markdown52154fc7b7a9b5ce10bb8bc18a1dc5a18f4d87e4d737a606bf9b424c040c1afa
PDF
Publication page6cbed39b47b50538fed090bfe48f17612af642cb4c618fe5f90d20d8f97f19e4
Manifestb83a78e615efb76e99ab34da3377f25f0a9293bb094deae9886204c1fed35037

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
SignatureijnlV6ONuQP7kfabOW6lPcWxv/Z8WPf/ipECXX8H9JD2DpJ59dtldSaMexYjZcucxq4dVScivZOCwo5CgDqfAQ==
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

2026-09-17T11:09:15.083910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045997
observed 6cbed39b47b50538fed090bfe48f1761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:15.065029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045997/manifest.json
observed b83a78e615efb76e99ab34da3377f25f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:15.041216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045997/publication.md
observed 52154fc7b7a9b5ce10bb8bc18a1dc5a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:14.996256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045997/publication.txt
observed fa6e0c534d404af646b6544a8bdb7398...
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.