OpenTechnical

OT-2026-000011616

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, pulsed blow-off before set-down

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-2026-000011616) never changes.

Identity and time

Publication numberOT-2026-000011616 · never reused
Internal UUID01a0ae6d-193f-77cc-bf36-d3cefe623275 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011616
StatusPUBLIC

Content hashes

Canonical text33dababc770be2a71459e87241713e3c7fc753b8e5e9ae61ece2848c6964b28b
Markdown591987524e2048c253dccef27133324997d54f39e29bbe9cdbf6cd71700c32a4
PDF
Publication page3d86ec47f3d55da2b9d7f87b6a8c1384c32cad66da3a7710d1c281b7f9c3b6e9
Manifestca9f23991bc51f102afcb80cf28a08fd6c4e9ab45c44ca06b2985a7fc9ad3a5f

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
SignatureoTacxxBuhoyWZtKcglVVUS2R5RNHB46zhU0cOLpiOeTZMHKTueKMG+riyyRAOtFK9/go291niORR7exQN6HjDQ==
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

2026-09-17T12:12:11.772627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011616
observed 3d86ec47f3d55da2b9d7f87b6a8c1384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.754915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011616/manifest.json
observed ca9f23991bc51f102afcb80cf28a08fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.724855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011616/publication.md
observed 591987524e2048c253dccef271333249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.703199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011616/publication.txt
observed 33dababc770be2a71459e87241713e3c...
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.