OpenTechnical

OT-2026-000030688

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, sustained 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-2026-000030688) never changes.

Identity and time

Publication numberOT-2026-000030688 · never reused
Internal UUID01a0ae74-3fb3-77bb-8d63-848e9e44b982 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030688
StatusPUBLIC

Content hashes

Canonical text0318908e98fab70761d94f499c814ef8c086c5a6c5202b9e04b25a2e52b715d1
Markdownf40fe33cd44f108572c836ff65b9a0f86e7c2f98df928dd4eb59ac3ae981065e
PDF
Publication page4100009f8a7202852f4f054f5aa346e545aafafb86afef8face8ed453fc209e6
Manifest6b7f903720aea553a88ee36b1b552ad04b2d17794481c873cb5d5dd052934270

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
SignaturekNaMFgKF/cLfTFsvCDqtamCKnnI2QsXnL7fysUp+YEQY5LQx4hEi85Ig413Sl8dioAuvLwJsJMUSxVU8C3r9Ag==
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

2026-09-17T11:36:35.172016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030688
observed 4100009f8a7202852f4f054f5aa346e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:35.155911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030688/manifest.json
observed 6b7f903720aea553a88ee36b1b552ad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:35.136044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030688/publication.md
observed f40fe33cd44f108572c836ff65b9a0f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:35.119166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030688/publication.txt
observed 0318908e98fab70761d94f499c814ef8...
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.