OpenTechnical

OT-2026-000081663

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, sustained 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-2026-000081663) never changes.

Identity and time

Publication numberOT-2026-000081663 · never reused
Internal UUID01a0ae97-0f73-74cf-be59-b8c6f1474994 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081663
StatusPUBLIC

Content hashes

Canonical text2c57a2c233f0dde102bdb3f3dab42e418487055fdec9a25a1d8daae8cc08a0ac
Markdown0e4cf9dc990292adb62a6a1b4c031f3f66eed6f1bd152aad55809d4421fae628
PDF
Publication page41e37c30105bff98b558946ff6f1a454a6cb06d406c31602b271ef83bf3c0e24
Manifest35b0f382231d45e0c83124b602c895d125af68ee2f958972bf2f039343c5b9a8

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
SignaturedyktyoHF8j6ZDGCRuTl3OGVTEdeO0uoJghH/yARUm+chcYNhS4AOV4fB8cR5JWj1IL2dUdo2aIW/RMCHbknKDQ==
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

2026-09-17T09:59:43.292538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081663
observed 41e37c30105bff98b558946ff6f1a454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:43.273703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081663/manifest.json
observed 35b0f382231d45e0c83124b602c895d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:43.257332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081663/publication.md
observed 0e4cf9dc990292adb62a6a1b4c031f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:43.239992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081663/publication.txt
observed 2c57a2c233f0dde102bdb3f3dab42e41...
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.