OpenTechnical

OT-2026-000026159

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, pulsed blow-off before set-down

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-2026-000026159) never changes.

Identity and time

Publication numberOT-2026-000026159 · never reused
Internal UUID01a0ae71-a841-7000-b662-14ad6060033d · 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-2026-000026159
StatusPUBLIC

Content hashes

Canonical text73e3ffd55f4e962c911d0dbc6877e927d97a3e9f18ed0c7448b15ae010e22862
Markdown72d45d4663df3e8d7c66175c03477f626728db3232c6989f2549643402f5c964
PDF
Publication page86ca45b77870c472123327fb4d1a75c59ae62d8d8d882a51ad1b7379a45af3ea
Manifest2bc09b76e1e77d06f2fbd3d404bebffef05713a9fb8c94638fc6fae9179cb9a9

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
Signature+KB7cI618QaIJHtc8GB1z7LzahxmKXMn0rsv9vw4l/otgrUmlyrEiKrXJ6z0DL2F/7OaNbPc7VhzSyADP1NEDQ==
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

2026-09-17T11:46:40.185013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026159
observed 86ca45b77870c472123327fb4d1a75c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.168512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026159/manifest.json
observed 2bc09b76e1e77d06f2fbd3d404bebffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.149456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026159/publication.md
observed 72d45d4663df3e8d7c66175c03477f62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.132398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026159/publication.txt
observed 73e3ffd55f4e962c911d0dbc6877e927...
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.