OpenTechnical

OT-2026-000039298

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000039298) never changes.

Identity and time

Publication numberOT-2026-000039298 · never reused
Internal UUID01a0ae78-9674-7131-99d2-60b403582cc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039298
StatusPUBLIC

Content hashes

Canonical textf8cc4136d41561ccf7ab74657d81231ea9e474dd843a98665646c7199b50bc2e
Markdown2b09c4c937a54fb74744c13eafec4bab12e4ba0ae7f74625f18fa914c177b214
PDF
Publication pageb1fe52781b07d4ee62cbc7334f4a26f1d24ef7666a9cee11956f9e5d446e172b
Manifestc762de230a9148306f4cbecd0ad0cd6d8dac1dd5376a3f1762cbd3a612a04aba

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
Signature0uBY8pHzUcdLJxd23TWBSuB4tX2dOVJrMW/Xta2hQhdzAh7iskHrlM29tA+1dNT8zYhlZI/0yq1OXMuY/1dfCQ==
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

2026-09-17T11:20:52.784602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039298
observed b1fe52781b07d4ee62cbc7334f4a26f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:52.767415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039298/manifest.json
observed c762de230a9148306f4cbecd0ad0cd6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:52.748672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039298/publication.md
observed 2b09c4c937a54fb74744c13eafec4bab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:52.729077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039298/publication.txt
observed f8cc4136d41561ccf7ab74657d81231e...
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.