OpenTechnical

OT-2026-000082844

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented after 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-2026-000082844) never changes.

Identity and time

Publication numberOT-2026-000082844 · never reused
Internal UUID01a0ae97-8cc9-7992-a41c-2b6ac6129607 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082844
StatusPUBLIC

Content hashes

Canonical text0df90d0fef9eca91d494e6c6889f88168765d4aeebe82888f6af7c4afa0d0bb4
Markdownf9e762264ee8e31946f5d88845b8403420c2f005958420621076e7ce5b224b62
PDF
Publication page89931b394e61ea5d8721f954f6fcb487763b5d7d2bd79fa4631ec03e5ede44a9
Manifestd6903a3b3ae506282a9d596fa3a33c921b24485fede30b684374a0603dc6abce

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
Signature32CP4hFQXCEdDZ+QcLOQ/wwFfxIdfkcHs1bhulBFSxjbvmWt5sL2Jesne0YTlrqxPI8VvEl/MKUYJM0NVGokCw==
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

2026-09-17T09:58:31.171692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082844
observed 89931b394e61ea5d8721f954f6fcb487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:31.154221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082844/manifest.json
observed d6903a3b3ae506282a9d596fa3a33c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:31.134526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082844/publication.md
observed f9e762264ee8e31946f5d88845b84034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:31.115211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082844/publication.txt
observed 0df90d0fef9eca91d494e6c6889f8816...
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.