OpenTechnical

OT-2026-000087200

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, two stage ejector, 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-2026-000087200) never changes.

Identity and time

Publication numberOT-2026-000087200 · never reused
Internal UUID01a0ae9a-9f2e-7a51-9634-bbb63506d0da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087200
StatusPUBLIC

Content hashes

Canonical text9d7e93513c9ed4c102a9844258106e0a309b63ad7b13dcec77501f339e0ab0b8
Markdown6d68f45684df888ee39026f6f64c73628337ee0da2effda633b4b79c492444b4
PDF
Publication pagefb8afe8daaa962b43cdfd8f48195ed6ce2fce9b643d360d1de3a3f9bb577ecdf
Manifest8796acf21c6a6983f393a2de9bc292945313f464c8cde1f55fdc68cafa4ea325

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
SignatureIyHlFCu8IaWCSLO0HVV7b6kqBA6mqt+Qs1heWnFgDKviWpdnzt+r2R67BbVCKftQQNcwgyI/E4iNc09CN2o0DQ==
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

2026-09-17T09:51:28.651844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087200
observed fb8afe8daaa962b43cdfd8f48195ed6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.634849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087200/manifest.json
observed 8796acf21c6a6983f393a2de9bc29294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.617753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087200/publication.md
observed 6d68f45684df888ee39026f6f64c7362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.600990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087200/publication.txt
observed 9d7e93513c9ed4c102a9844258106e0a...
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.