OpenTechnical

OT-2026-000074836

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000074836) never changes.

Identity and time

Publication numberOT-2026-000074836 · never reused
Internal UUID01a0ae93-ac2c-7444-b903-e61f08d93c2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074836
StatusPUBLIC

Content hashes

Canonical textf525f1ca1312cb2e49030f7e11d397c7b0501a2f17ff3cdd76c1e5d24b010dfc
Markdown44ec41f8fb5731afc9f6b27f432d390377f4cdfe828596ea76a7fa2fb959193b
PDF
Publication pagec871cf102aba965416a395bea23b65cf9923bee5a629f6332c5cca4e857a766d
Manifest0726f90e4a66f27433b37b9eedf31bc3c2c7ee3c405405280b5dfbab05902304

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
SignaturelgOrjEgkYkJOo/RbLPmv59lwTj6VNovZ6zj8frDsPAwIOsF1MTxb/BLU7z9iJJ+wNve6V011dhht1Y6XeNPxDg==
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

2026-09-17T10:18:32.806531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074836
observed c871cf102aba965416a395bea23b65cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.789396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074836/manifest.json
observed 0726f90e4a66f27433b37b9eedf31bc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.773239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074836/publication.md
observed 44ec41f8fb5731afc9f6b27f432d3903...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.756627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074836/publication.txt
observed f525f1ca1312cb2e49030f7e11d397c7...
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.