OpenTechnical

OT-2026-000080187

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000080187) never changes.

Identity and time

Publication numberOT-2026-000080187 · never reused
Internal UUID01a0ae96-7e76-7376-96d0-5cf4af2644ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080187
StatusPUBLIC

Content hashes

Canonical text0da79b52c757fb38df5da8c6f78afc171e469605e39f9615fa7bf3f17d64fb67
Markdowna75ead1e8037ce50a3e29c4feae74e2f959ea1a13fe7ef278ec4b31cf1b27c2a
PDF
Publication page624dfa90198db6ff1acf3f4d5eae8fecaf923f42fed7c8e7398c0c9140fd7c5e
Manifestd5be8b60dca091225373fe6b4f5924212a3f941afd602aa3bce70412fa3afdeb

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
Signature071WT2DJaFuv8qlNlGm6sLc3e5f/iSW2CsIzWelAvgMwjXjC9We7oYiyM5vjG1KU47Fyimhpq8zqCk1wdSh3Bw==
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

2026-09-17T10:02:37.604946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080187
observed 624dfa90198db6ff1acf3f4d5eae8fec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.588395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080187/manifest.json
observed d5be8b60dca091225373fe6b4f592421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.570064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080187/publication.md
observed a75ead1e8037ce50a3e29c4feae74e2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.551957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080187/publication.txt
observed 0da79b52c757fb38df5da8c6f78afc17...
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.