OpenTechnical

OT-2026-000080085

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, 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-2026-000080085) never changes.

Identity and time

Publication numberOT-2026-000080085 · never reused
Internal UUID01a0ae96-4378-7c3c-95a8-47326ea7586a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080085
StatusPUBLIC

Content hashes

Canonical textdb4019908c6cf9a166e7f365e4216aec01c3199094fd2321f167664d90b080bb
Markdowndf50e5b8b2477e83c0e2549e59b9ea4aff63861d615eefddf8385cdec7f571ae
PDF
Publication pageb7544e3b97c4316f4300811ba5ff71e9ca5a33f3732ffb401629086dc5ab1d60
Manifestf10a8cdea46c37d867a95cd2b01d706a170111d0ddb9c4b26d9ff7da4727fed2

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
SignatureQ83WpvoXcNEwRIhVO5xQYuamUq8xof3wKKcxEgJVq9sVeVRW/tQfopXuJnONDjlmpMNgzr/YwfoC50DoVRCuBg==
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

2026-09-17T10:04:01.419382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080085
observed b7544e3b97c4316f4300811ba5ff71e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:01.402808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080085/manifest.json
observed f10a8cdea46c37d867a95cd2b01d706a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:01.385037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080085/publication.md
observed df50e5b8b2477e83c0e2549e59b9ea4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:01.368056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080085/publication.txt
observed db4019908c6cf9a166e7f365e4216aec...
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.