OpenTechnical

OT-2026-000087761

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000087761) never changes.

Identity and time

Publication numberOT-2026-000087761 · never reused
Internal UUID01a0ae9b-1aa4-7f39-85fa-57fb1b08bd1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087761
StatusPUBLIC

Content hashes

Canonical textbd789069cf87c49ea31b22f497e2e53ab9992bde74a3d71e3d0033c7a863c17b
Markdown80590bf430c164203355a89512832de1228fb45f31d13fb92bbd0f086beec5fd
PDF
Publication paged77e65769982443531327f3ad240ba97c706406ef3dab96b8054d33ae8d80e14
Manifest015de46d3b489aeff566ec5e04d5faaac448d455cae7b392bdd1ab2df9a383de

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
SignatureS83EX1MgtchL7KjU6dhoQXWs3DHF+oYkUyqk0gHVmZm3O5AuejzRKmZbgVtTDvXkh+GPAwA6Rh8HhiyMyucfAw==
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

2026-09-17T09:48:57.446406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087761
observed d77e65769982443531327f3ad240ba97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:57.426615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087761/manifest.json
observed 015de46d3b489aeff566ec5e04d5faaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:57.408509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087761/publication.md
observed 80590bf430c164203355a89512832de1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:57.388827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087761/publication.txt
observed bd789069cf87c49ea31b22f497e2e53a...
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.