OpenTechnical

OT-2026-000043243

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000043243) never changes.

Identity and time

Publication numberOT-2026-000043243 · never reused
Internal UUID01a0ae7b-327c-7551-aa0b-d2aa219f7446 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043243
StatusPUBLIC

Content hashes

Canonical text6f2edc779be80f23852426a453131937dd56dde195dc3bff2ec2eb1816a78738
Markdown32b06b667fda63ec16171935c065722b77aa04f358939ce0cc9efb0b88c99523
PDF
Publication pagee4dcca69276f09b83ed68c37fedbe8e9d1251de782206f6b9e3ed81900728250
Manifest0fb8e8de1a81d3e2f59605443a0de7c23780ad92efc3d0ef0e01f4dc49c2d473

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
Signature7E3x1w0jYrSgywhRxlsHMBBlE0FcR304iRRlOLMBCYqXXYzJz+XczwAdZeUUa6WexJIPnT0afFvN9F3ZWlmuAQ==
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

2026-09-17T11:13:43.144330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043243
observed e4dcca69276f09b83ed68c37fedbe8e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:43.123609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043243/manifest.json
observed 0fb8e8de1a81d3e2f59605443a0de7c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:43.104992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043243/publication.md
observed 32b06b667fda63ec16171935c065722b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:43.084840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043243/publication.txt
observed 6f2edc779be80f23852426a453131937...
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.