OpenTechnical

OT-2026-000032271

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pulsed 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-2026-000032271) never changes.

Identity and time

Publication numberOT-2026-000032271 · never reused
Internal UUID01a0ae74-f7a8-7588-9248-3262e949356a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032271
StatusPUBLIC

Content hashes

Canonical text9dd8dc709b6466e5c377c370f68f698ce3cc86da6ebde3076ef16504b913542a
Markdown9d39b7a47dffd4c89440558666c1cdd24f77912f952eba4fc484801634a42298
PDF
Publication page7db5178c531c203cdd257f4f8366468f2a6bccca8df70919673b68a62f1e2b7e
Manifeste5edd33cc97788f3d00a3984c8b5a80c807e9f8abbb38bbd9ec770e0c8acc135

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
Signature+PT1+DgBF2xmg3uvHp/HTMSwjYtGvI7pp5xel90KS4ujf5xPyiZ+XQnm6TtPOMvdTicVV0Pcbpjywx8o290CBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:38.051611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032271
observed 7db5178c531c203cdd257f4f8366468f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:38.035421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032271/manifest.json
observed e5edd33cc97788f3d00a3984c8b5a80c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:38.018743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032271/publication.md
observed 9d39b7a47dffd4c89440558666c1cdd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.999766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032271/publication.txt
observed 9dd8dc709b6466e5c377c370f68f698c...
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.