OpenTechnical

OT-2026-000052117

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000052117) never changes.

Identity and time

Publication numberOT-2026-000052117 · never reused
Internal UUID01a0ae83-e78f-70e1-8465-74350f2d02b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052117
StatusPUBLIC

Content hashes

Canonical text232ce9fa14531b4c9e4d3ad4819ad525704aa3a87f8a6ebc84377b742de24c59
Markdownd8a43c448eaa305e678e0ab9ed1d674ad58efda655a68f29234b8ca29c26336a
PDF
Publication page56053dad8fc240217ddc747b447e29643e2920ec3552af630bdb5973e162980d
Manifest087d77442221a0dfac71df9a652bffb27be5ce89847d2fb58b8bd5c2fd3446d6

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
SignatureJXYAGtfqdqW00icefOlmdmfO3Dj/BxghWRuYRAIoIseRoyj5dZM2x/8mwuFPgZymtXxbuwAHInSupvjjpmwXBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:39.728996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052117
observed 56053dad8fc240217ddc747b447e2964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:39.711946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052117/manifest.json
observed 087d77442221a0dfac71df9a652bffb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:39.693150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052117/publication.md
observed d8a43c448eaa305e678e0ab9ed1d674a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:39.675268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052117/publication.txt
observed 232ce9fa14531b4c9e4d3ad4819ad525...
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.