OpenTechnical

OT-2026-000026179

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000026179) never changes.

Identity and time

Publication numberOT-2026-000026179 · never reused
Internal UUID01a0ae71-a841-7ff6-b650-f20af18cb438 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026179
StatusPUBLIC

Content hashes

Canonical textc843fca8abd5aef9fd3345f926a9972cd314c35a7368437faa9e2f2e5556f5e6
Markdownce499f661cfc5e225e35c3c099b027e0c5ddafd330e8c751e6ebed1f228c3717
PDF
Publication page9488959889e58bd74a542edc44d11551acfc5eb8161f00cb39c8c2b0cedf7b02
Manifest63f5ced452321b2b85cb2c1b008bd1164023c4e4e1f0aefc965e283268d6880c

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
SignaturekWB7X7S8sNeJKdZO8XtaXKh53r6Z8WYxGbDAjRoCwLhxaRFG8mzIC7B1NCUkbrKJdExHXE2u04L2lWK39gbgAg==
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

2026-09-17T11:46:41.461627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026179
observed 9488959889e58bd74a542edc44d11551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:41.444772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026179/manifest.json
observed 63f5ced452321b2b85cb2c1b008bd116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:41.424854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026179/publication.md
observed ce499f661cfc5e225e35c3c099b027e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:41.404912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026179/publication.txt
observed c843fca8abd5aef9fd3345f926a9972c...
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.