OpenTechnical

OT-2026-000014481

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000014481) never changes.

Identity and time

Publication numberOT-2026-000014481 · never reused
Internal UUID01a0ae6d-b27b-7969-a9d2-08c0a327aed1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014481
StatusPUBLIC

Content hashes

Canonical textcfdb97364150112d6ebb75f14bfa6c6e8b004f9e92f684095791686241223f68
Markdown1fe9b6caf81938c34bfb5a170db269ce6bda02f3f4787521e4f60112946ed477
PDF
Publication page1f5db7201a72f1048be90c000006f14a73341b5f63d422705dbe0f614d0f86fb
Manifest062e332dfe87067255eaa8c00bf073157dd70b63030df3bc8de7a6813169b4d9

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
SignatureYVWvEVcvV8bVHnrxYfhw2p45BGAhAv3n6xTcxqWLOKG5+o0TvZ2ciLOR5N3AtIJA/YQtM/86nMojhvk7T5UbDg==
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

2026-09-17T12:10:17.803333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014481
observed 1f5db7201a72f1048be90c000006f14a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.784400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014481/manifest.json
observed 062e332dfe87067255eaa8c00bf07315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.765584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014481/publication.md
observed 1fe9b6caf81938c34bfb5a170db269ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.747802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014481/publication.txt
observed cfdb97364150112d6ebb75f14bfa6c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.886176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014481
observed 1f5db7201a72f1048be90c000006f14a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.868030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014481/manifest.json
observed 062e332dfe87067255eaa8c00bf07315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.848029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014481/publication.md
observed 1fe9b6caf81938c34bfb5a170db269ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.830666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014481/publication.txt
observed cfdb97364150112d6ebb75f14bfa6c6e...
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.