OpenTechnical

OT-2026-000062308

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000062308) never changes.

Identity and time

Publication numberOT-2026-000062308 · never reused
Internal UUID01a0ae8c-0abe-7023-a8c8-af90cd61bacd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062308
StatusPUBLIC

Content hashes

Canonical textac70453b779dcea3bce55c3004c54bcb12c09fa55655dedbb4e47ae9181b3f11
Markdownea674e1968b72600050cb5718540f12ff4ee0554d423b308656d7b02199f5638
PDF
Publication page9db5775f73a7e5a1e61e4db1521a9b6591293ca21e280c05564067aefffbbf68
Manifest8799082cac688349ca3612ecadf95f9e551844b772e1a41bcab5aaa506820c56

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
Signature9NKJQgTP3b+q6V1MWzhqqQ4dEPZjDXxW4Rryn6YMbVILobWlFoDTf9eiutNrrFqzR4ABusTgr09n4EpuTSaVCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T16:42:22.136571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062308
observed 9db5775f73a7e5a1e61e4db1521a9b65...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:21.962908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062308/manifest.json
observed 8799082cac688349ca3612ecadf95f9e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:21.870922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062308/publication.md
observed ea674e1968b72600050cb5718540f12f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:21.715319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062308/publication.txt
observed ac70453b779dcea3bce55c3004c54bcb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:39:36.477348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062308
observed 9db5775f73a7e5a1e61e4db1521a9b65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:36.458328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062308/manifest.json
observed 8799082cac688349ca3612ecadf95f9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:36.439095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062308/publication.md
observed ea674e1968b72600050cb5718540f12f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:36.419018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062308/publication.txt
observed ac70453b779dcea3bce55c3004c54bcb...
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.