OpenTechnical

OT-2026-000099202

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold 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-2026-000099202) never changes.

Identity and time

Publication numberOT-2026-000099202 · never reused
Internal UUID01a0aea2-8288-7473-bf2e-00cd24163490 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099202
StatusPUBLIC

Content hashes

Canonical textcfab90572cbbda8b1b55b028ed9811051fa572e34effae457b4f921b0c599f43
Markdown3832827d83403c7871e422f97a55dcbde9f4f40d3e7228ff7f1dc2a3ffd4642d
PDF
Publication page762786015a4c1be399f7298c43b0dd2780b36ad3f4b9fcb3a9454e0794d971ae
Manifest7a6c94d6a53f19a018b059bfc058d3837cdfe4d31e232cf9a3585e0f9f58b680

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
SignatureilrzXJg3G8K744VsK9o4Qr6dAKGt93iIVDM+KYehe8wn4RRwu5h+0Q8ptyRvLovuTz8ibKqJXidzAv5NHHlLBg==
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

2026-09-17T09:30:35.644181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099202
observed 762786015a4c1be399f7298c43b0dd27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.626751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099202/manifest.json
observed 7a6c94d6a53f19a018b059bfc058d383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.605731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099202/publication.md
observed 3832827d83403c7871e422f97a55dcbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.586057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099202/publication.txt
observed cfab90572cbbda8b1b55b028ed981105...
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.