OpenTechnical

OT-2026-000098111

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000098111) never changes.

Identity and time

Publication numberOT-2026-000098111 · never reused
Internal UUID01a0aea1-e963-7914-8929-a86ff8d02a15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098111
StatusPUBLIC

Content hashes

Canonical textb4e890bc4b2d7d8cad33134a235a47e5e7210be19d8aace9f49e28e0da25e2a4
Markdown0540de3ade08523c1a14d9dbf4fba1f3928c3efabffd18dfd1e1e5e0347e0efc
PDF
Publication page2d14517633444b5c7cd7b504397ac208d24f4e99e80afe90166c1df58d9eb4a2
Manifest2997e4b705082ed318124ac9bcc37f8c9fc0347f8397dae525c0c52d908c47d3

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
Signaturecu5drwzUvrJ3VOXJE8lO6zo+lrZr8Wu1J8IeiF4Ie135PO7B6D5XEBNq5zfzXVN6nl/p8mxJNOEO2YMWvVETDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:15.064575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098111
observed 2d14517633444b5c7cd7b504397ac208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:15.048409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098111/manifest.json
observed 2997e4b705082ed318124ac9bcc37f8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:15.031909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098111/publication.md
observed 0540de3ade08523c1a14d9dbf4fba1f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:15.011620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098111/publication.txt
observed b4e890bc4b2d7d8cad33134a235a47e5...
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.