OpenTechnical

OT-2026-000086153

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000086153) never changes.

Identity and time

Publication numberOT-2026-000086153 · never reused
Internal UUID01a0ae99-e82c-7d09-b5db-e6c20d275c52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086153
StatusPUBLIC

Content hashes

Canonical text48b374907f06091bc7791a5bff62d5481beb2b848e5e9444b13759411b428dbe
Markdown59478c9cfb6bd8dbe06ab951e2858530842ca6bb521ad94a47938f638c4df75f
PDF
Publication pageac1683cb7600eed99a4d4c80b31c3013d58dbde842724b98335f7fd439d12451
Manifestdaec822e46c983b98ca794b129d6bddf6544511a5807823d0a6870b77b93b6cb

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
Signatureh+GnxeQ2nZXDdjyjX9tf7W9gb2pwcb9IGAlOMQsOKvh+2L3SYG2fOchUQb9WbM7TMj/JkNDy35KcIDpOoNdrCw==
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

2026-09-17T09:53:49.343554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086153
observed ac1683cb7600eed99a4d4c80b31c3013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.327045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086153/manifest.json
observed daec822e46c983b98ca794b129d6bddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.310955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086153/publication.md
observed 59478c9cfb6bd8dbe06ab951e2858530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.292107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086153/publication.txt
observed 48b374907f06091bc7791a5bff62d548...
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.