OpenTechnical

OT-2026-000088517

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000088517) never changes.

Identity and time

Publication numberOT-2026-000088517 · never reused
Internal UUID01a0ae9b-5d28-7628-ba0f-d1a390995d96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088517
StatusPUBLIC

Content hashes

Canonical text343b98de9b652560f88ce4d6e91f454e7103b58d56390e060cf240ddfeecf2ef
Markdown839e2bcb52021a9b18cc1c30f72f9f9b8a1a8700a8a2b664ce0588591b81279b
PDF
Publication page219e738c04df6d3b5a342c9a78c873be12ae7c67b01fe87afde858819785ef70
Manifestb9a461262faac0a66b6abd640b4a7aa25fdeb64ee7e125b6a695f1cddbb1bbc4

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
SignaturePimBAmj7KxO8Sr3sJekRZRppz5jcRs8saZraDPI4woMrjQoGFpyujaAnxChaVBmqP+dgrqPnUJGEYgF3HAa7Dw==
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

2026-09-17T09:48:54.777359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088517
observed 219e738c04df6d3b5a342c9a78c873be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:54.757568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088517/manifest.json
observed b9a461262faac0a66b6abd640b4a7aa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:54.738907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088517/publication.md
observed 839e2bcb52021a9b18cc1c30f72f9f9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:54.720725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088517/publication.txt
observed 343b98de9b652560f88ce4d6e91f454e...
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.