OpenTechnical

OT-2026-000089072

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000089072) never changes.

Identity and time

Publication numberOT-2026-000089072 · never reused
Internal UUID01a0ae9b-daff-7e04-a45a-f951952ae7d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089072
StatusPUBLIC

Content hashes

Canonical text1af19321121667a1d99742425383a3258d89a054601c0c4f92035648ef527124
Markdown585360063a9378472f0deda0d8c171fd80927e43ae061118e1aba25696ec9883
PDF
Publication page1b83501e7860fad5487f9ac98885046190017e83068630ed2dd1872b9804e1e1
Manifestec573da9787fd92543d46b67ae566a033741c8fe5af6f8682704ba32e37ec30e

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
Signatureqf7x90dd6gx+GheiIi/yXTzEXW/L1rXD+XPUmzItel+QN7iKguxVKdoqqzjoWdbFx8I4CnceVtyd/PSYLIiIDg==
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

2026-09-17T09:46:58.436794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089072
observed 1b83501e7860fad5487f9ac988850461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.419467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089072/manifest.json
observed ec573da9787fd92543d46b67ae566a03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.399683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089072/publication.md
observed 585360063a9378472f0deda0d8c171fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.382281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089072/publication.txt
observed 1af19321121667a1d99742425383a325...
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.