OpenTechnical

OT-2026-000076718

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000076718) never changes.

Identity and time

Publication numberOT-2026-000076718 · never reused
Internal UUID01a0ae94-b06f-7bdf-8148-b3d976c07f2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076718
StatusPUBLIC

Content hashes

Canonical textb2c42db191e33ac1dd675eac1e843c14c5d61c08a70e5acb9344db7ab0534d6a
Markdown974b93fe1b50d3fbdc19d0b35eb390098e6188e4600dcdb43986ccf5faed8ddf
PDF
Publication page4792a06bb7786c06647a0e8d2c7a12e2a2e2a26e87b3c5441af8720e92266c2c
Manifestb3a12466cbccbb684be9f0c272ea731032aff51adbf66c2053393be3fa7c47b5

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
Signature8NWgD+Yvqw/+WCYcn6i4fQgF3qD+CY22iXUhYjzZKdd0DEOpazXGMqPxlT/d+NV5u0WJ/cH5zUU6D75TupGdCw==
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

2026-09-17T10:09:29.198212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076718
observed 4792a06bb7786c06647a0e8d2c7a12e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:29.178568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076718/manifest.json
observed b3a12466cbccbb684be9f0c272ea7310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:29.156700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076718/publication.md
observed 974b93fe1b50d3fbdc19d0b35eb39009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:29.136548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076718/publication.txt
observed b2c42db191e33ac1dd675eac1e843c14...
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.