OpenTechnical

OT-2026-000010593

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, vented 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-2026-000010593) never changes.

Identity and time

Publication numberOT-2026-000010593 · never reused
Internal UUID01a0ae6c-0ee7-7308-9bec-bb58b07038eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010593
StatusPUBLIC

Content hashes

Canonical text3b621c28d800636a7d10e8197f1cc7f406c383454ba92a19379a984dd612fba3
Markdownb680150e5287ca4fb36908b9d46e8ec914ad45000fcca3836e67e9c50468c8a5
PDF
Publication page1754b5653f98dbc2351e9cefe7edd7a95cf7eebf88283dcb6c7cb464aa73009e
Manifest7e85431eaddce7b50304d6e89ebca40be5912bd49b5a89628634b5a1188de84d

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
SignatureF9uAJowbMgLTewdzF4ukZgLWXZIvm9JOJKu+4W9uaIHT0MvqkqqoYKMygSsrnKX/h5kiV6iwJ9pqDC/Cj9uyCQ==
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

2026-09-17T12:14:46.692161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010593
observed 1754b5653f98dbc2351e9cefe7edd7a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:46.670349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010593/manifest.json
observed 7e85431eaddce7b50304d6e89ebca40b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:46.648364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010593/publication.md
observed b680150e5287ca4fb36908b9d46e8ec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:46.626531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010593/publication.txt
observed 3b621c28d800636a7d10e8197f1cc7f4...
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.