OpenTechnical

OT-2026-000057572

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000057572) never changes.

Identity and time

Publication numberOT-2026-000057572 · never reused
Internal UUID01a0ae88-2693-7daf-a29b-d4a77e23c0f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057572
StatusPUBLIC

Content hashes

Canonical text9fd9040f0e6f5e0a58e8330a1b40141700d667851b6f6b2755fb935630ab39ce
Markdown440b5091e3b9cec645218f0191450839f76a17555450c7bac8201ba4660ba6e9
PDF
Publication pagedbc00b372e9555fe7afb50539d10e05bffdef3a5efd25240ddb11021df1b47f5
Manifest80b531f1f1769b892cfd6a1349fc449af52c9f2baf88bc4b27f4c4a7a7f8cd0a

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
Signature1wIhLILoUszopxNt3WChbKFHdn39HjPbR0H3pSpIms4V0gze8tyONdurZqs7JhA3ygSG3zJrfXQfmZlgzz5sCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:06.996916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057572
observed dbc00b372e9555fe7afb50539d10e05b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:06.978954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057572/manifest.json
observed 80b531f1f1769b892cfd6a1349fc449a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:06.961175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057572/publication.md
observed 440b5091e3b9cec645218f0191450839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:06.942265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057572/publication.txt
observed 9fd9040f0e6f5e0a58e8330a1b401417...
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.