OpenTechnical

OT-2026-000085933

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000085933) never changes.

Identity and time

Publication numberOT-2026-000085933 · never reused
Internal UUID01a0ae99-e82a-75d4-a983-2ce49379cc38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085933
StatusPUBLIC

Content hashes

Canonical text3d6369b7b9780290dadd453565d29ddd8b94f2efc13b357f12d433c87b706e7f
Markdownfb1fb3e660e8b56a1678aee5c6774adfc3bc1b755bfdfdc5df456d24fc311706
PDF
Publication pagedb5347f7bebb627a4b1b75a3e4c3fa1c8e839be8677331a5d00a9195194a9750
Manifest02e41d8de8c5017276e7044dacfdf09f85fc89de7aa0f12e7ba8bc37ceec4a09

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
SignatureTivlKSGhzZqCJqhlFQTvoy6+4xHRrr3QC3+yNsoZtVuKuziZYrtnCM4ubr6AgyB1K02FYqW8yIP7Ksl7A4xECA==
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

2026-09-17T09:52:53.243528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085933
observed db5347f7bebb627a4b1b75a3e4c3fa1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:53.225878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085933/manifest.json
observed 02e41d8de8c5017276e7044dacfdf09f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:53.208486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085933/publication.md
observed fb1fb3e660e8b56a1678aee5c6774adf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:53.191284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085933/publication.txt
observed 3d6369b7b9780290dadd453565d29ddd...
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.