OpenTechnical

OT-2026-000012197

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000012197) never changes.

Identity and time

Publication numberOT-2026-000012197 · never reused
Internal UUID01a0ae6d-39f5-7ef0-bda3-2072131aacfc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012197
StatusPUBLIC

Content hashes

Canonical texta9e7b92886d5c2e82e74151d598f77d2a0b1617adbc813fa6a2f0c8e51fc1d1e
Markdownec7c243dfef5e3b59b30101fb5bc7ebaba82ba69f43626b6cdbd8a44ac04d3f6
PDF
Publication page28d62f2ebb83aba254018932f5a6731cb9200ca915b90f85e30b6f20e695fc07
Manifestfeab6195c00a2bea575d87f8a2fb556f9d8ec48c669e20fcd27874cf532871ff

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
SignaturebrQwIwhLcCB2GOxjAinFjcxdX7YhI3zcXZNxjo2WcXn5ru1DdMZnM/QX8Jlh3y4Zw2/EE921ZbY6ey7sEDHVBQ==
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

2026-09-17T12:11:06.408629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012197
observed 28d62f2ebb83aba254018932f5a6731c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:06.388772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012197/manifest.json
observed feab6195c00a2bea575d87f8a2fb556f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:06.370376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012197/publication.md
observed ec7c243dfef5e3b59b30101fb5bc7eba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:06.352003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012197/publication.txt
observed a9e7b92886d5c2e82e74151d598f77d2...
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.