OpenTechnical

OT-2026-000046492

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line 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-2026-000046492) never changes.

Identity and time

Publication numberOT-2026-000046492 · never reused
Internal UUID01a0ae7e-57dd-7582-85ed-4a6cbafedf7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046492
StatusPUBLIC

Content hashes

Canonical text9ac18c8c7437149281e65e2c9be0871be71b8005392f305c46188a9e750ddda4
Markdown99c500d30bc479b77c523f238c46b4dd9259e691a357204c41eb68034aeee6a9
PDF
Publication paged3bc5b93ef872909a3873a380d392af59a097ac3fa36c1c82cd130c99181591f
Manifestb5a988ae84afc6bba49f5d56ae43d5f8cd77de21fd3a9904997fcda7c1c60d5e

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
SignatureUZy0csfWfC3mzx+WEV3VHUArk0MCqs6Opi2yHuARo4RbG3ZhedCiund5w5DBfKSMm/JWF6Ub4pXLSXVUlkAZBA==
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

2026-09-17T11:08:31.803484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046492
observed d3bc5b93ef872909a3873a380d392af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.784914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046492/manifest.json
observed b5a988ae84afc6bba49f5d56ae43d5f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.766153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046492/publication.md
observed 99c500d30bc479b77c523f238c46b4dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.747385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046492/publication.txt
observed 9ac18c8c7437149281e65e2c9be0871b...
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.