OpenTechnical

OT-2026-000011501

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000011501) never changes.

Identity and time

Publication numberOT-2026-000011501 · never reused
Internal UUID01a0ae6c-88ff-706a-89ff-05bbf6bbe9ef · 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-2026-000011501
StatusPUBLIC

Content hashes

Canonical textf26d23e4adfe24ec34033efc837fb0db1532427a4337f1f9ab8c404436d299b5
Markdownf7f0f284a199b8e8077ef39a3a2f69f324d05cb1edfbac8982592f17e92a997b
PDF
Publication page41ccfefd58cb95db40ffaeb38270e5b0142cfd6e96bc0af00ce64a6a62bb4e48
Manifest064355f225843da7e2ad90e1ff6bc8d78b968681f99a79aeacc4c446004a8479

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
SignatureObqIUwhPrkpBDoRfzwWzCnE+Y/oSFqE6WzcM2A7QLp2GRXUccrtCSUuH/W+83YltnJWKVwH4D8gAwfFCgP3QBw==
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

2026-09-17T12:13:16.828726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011501
observed 41ccfefd58cb95db40ffaeb38270e5b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:16.809565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011501/manifest.json
observed 064355f225843da7e2ad90e1ff6bc8d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:16.790136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011501/publication.md
observed f7f0f284a199b8e8077ef39a3a2f69f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:16.770625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011501/publication.txt
observed f26d23e4adfe24ec34033efc837fb0db...
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.