OpenTechnical

OT-2026-000020120

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000020120) never changes.

Identity and time

Publication numberOT-2026-000020120 · never reused
Internal UUID01a0ae6f-4378-726c-80bb-b2faee703105 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020120
StatusPUBLIC

Content hashes

Canonical text1098003f5700015d28954a5f299595fd5468f02267644ad5a716cb0deb778b64
Markdown0452bb555e0301c2a3d69b3f9e8f836fdff6cd237e4ef09d1e288605850011a8
PDF
Publication pagedf5a889f6a73ee166dca91c7b360e3321e0708f315b7eccc4687bab07968d219
Manifest402d2864b0b60d90c9ad4ff0a777d77959c5723a3df22e8bc6227e0ea7379b32

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
Signaturebj0EAv05xleiFs05hbwrrZKOzo3vjhSXuY6ulKsaUJfPQcnYFR8tM9QBHREQEKKkZLCp5bLVwFXNjsOnFUSuAA==
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

2026-09-17T11:56:25.366820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020120
observed df5a889f6a73ee166dca91c7b360e332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:25.348577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020120/manifest.json
observed 402d2864b0b60d90c9ad4ff0a777d779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:25.329187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020120/publication.md
observed 0452bb555e0301c2a3d69b3f9e8f836f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:25.310499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020120/publication.txt
observed 1098003f5700015d28954a5f299595fd...
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.