OpenTechnical

OT-2026-000010257

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, vented 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-2026-000010257) never changes.

Identity and time

Publication numberOT-2026-000010257 · never reused
Internal UUID01a0ae6b-cb7b-74b4-80db-24eef2aecc5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010257
StatusPUBLIC

Content hashes

Canonical textea36b500b2b1b6531ca264d25821438543c58516615e71f7ec70679a8871d846
Markdown3680d21c1a4d254061e29b56b236abf01ef8a22c6f2508380e4ea4d3128dad09
PDF
Publication page654477898a0fbe6ab1c7f03936a96626cd94c172617b1e89349f4c9b716e60be
Manifestfa5dc967d2eca1a96b5b18ed1468c80aa9a89eb7929aa9c13b9994c8f7072d44

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
SignaturebjujuUW9oWa0wTVUUZ2uLzF5c1TLZAQw6/Vpz7xeQFcCcqP4Nib5UzCuFDX/u3RJ9anMFjXEiR/gBiadY2MtBg==
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

2026-09-17T12:16:28.638848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010257
observed 654477898a0fbe6ab1c7f03936a96626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:28.618754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010257/manifest.json
observed fa5dc967d2eca1a96b5b18ed1468c80a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:28.598758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010257/publication.md
observed 3680d21c1a4d254061e29b56b236abf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:28.578689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010257/publication.txt
observed ea36b500b2b1b6531ca264d258214385...
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.