OpenTechnical

OT-2026-000095660

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000095660) never changes.

Identity and time

Publication numberOT-2026-000095660 · never reused
Internal UUID01a0ae9f-fac4-71bb-a9a2-d383818c4e07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095660
StatusPUBLIC

Content hashes

Canonical text49f1265f7cc859e4ce049db9fc064bebf0ca93532e602a380bf0277fd43d2eec
Markdown5813e0de316129ae2d088504d667feccec0b9a8eb74e30ef5d0d5bfc0a0e4c7d
PDF
Publication pagea0591dae51fb6038734b483ee2ca13a27408f4720a256862d5cdf5522aca7068
Manifest8ab4f50b9116365942f44590e9fecdd52db00bd26f3499b3f5d3e15377a3ff03

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
SignaturegW6Yee1/XlvrPhoFK4/Ms79iIaB2Qwk2yIvq5Ty53YDboxdJ5kW8JZFgN4VMygstJyacYyQX/UsuMdv+vEg+Bg==
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

2026-09-17T09:35:07.743613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095660
observed a0591dae51fb6038734b483ee2ca13a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:07.724090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095660/manifest.json
observed 8ab4f50b9116365942f44590e9fecdd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:07.705957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095660/publication.md
observed 5813e0de316129ae2d088504d667fecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:07.687636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095660/publication.txt
observed 49f1265f7cc859e4ce049db9fc064beb...
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.