OpenTechnical

OT-2026-000011525

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000011525) never changes.

Identity and time

Publication numberOT-2026-000011525 · never reused
Internal UUID01a0ae6c-88ff-7e88-8673-c68653b322d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011525
StatusPUBLIC

Content hashes

Canonical text3ccdbb2710133b37c4d817457f2592b9e5cb9d816bab3dd7abcd18d559cf9499
Markdownc3275b33281493652ad68498ebd1e037bcab920329783364e9e9a2742427dc9a
PDF
Publication pagef7967404bf3dad309f34f9a063bf8dc2bb84ff870c9d8a8c490841e2a591e9b4
Manifest1bd0ebab6e0fb604cd7ec583c7841695eac3d86183de527702cc98783f93ddd9

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
SignatureUU8D4U4kdiXI59cy8u2N7ZFqxsMZuEqUnSFxiXl+6fEfhh5znOoxYUyS1nDTloMlWOWaDsn5KQnYinie1PC/BA==
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

2026-09-17T12:13:18.775453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011525
observed f7967404bf3dad309f34f9a063bf8dc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.757719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011525/manifest.json
observed 1bd0ebab6e0fb604cd7ec583c7841695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.739655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011525/publication.md
observed c3275b33281493652ad68498ebd1e037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.722352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011525/publication.txt
observed 3ccdbb2710133b37c4d817457f2592b9...
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.