OpenTechnical

OT-2026-000080101

Publication integrity record

Four 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-2026-000080101) never changes.

Identity and time

Publication numberOT-2026-000080101 · never reused
Internal UUID01a0ae96-4378-7f22-a4da-f80d1db2337c · 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-2026-000080101
StatusPUBLIC

Content hashes

Canonical textf06308796fee4a4b015013ae7baeceef354c5cb9c6380b96518f76173bcc3c72
Markdownfadccf1d211c39f2209c9585e2884601282a4d65650f701631105519df4c261c
PDF
Publication page4ccc49811f92f7f7636a1c3e1a28409007d3b332a637f23c7a0f7193cdfe35a7
Manifest394cb67fb8af6405872124c943b4566f6f7b7b04950441fe40e1b03c39790bdb

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
SignaturerUsZQboLDt0HxGnIUlhKcYocUkQC6UKHXZDexwgKcGZBG/BsOVY0GjDnB7YC8rP4sDkDZiyWcjKgImBZijX9BQ==
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

2026-09-17T10:04:02.500374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080101
observed 4ccc49811f92f7f7636a1c3e1a284090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:02.482857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080101/manifest.json
observed 394cb67fb8af6405872124c943b4566f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:02.462708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080101/publication.md
observed fadccf1d211c39f2209c9585e2884601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:02.445257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080101/publication.txt
observed f06308796fee4a4b015013ae7baeceef...
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.