OpenTechnical

OT-2026-000060722

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000060722) never changes.

Identity and time

Publication numberOT-2026-000060722 · never reused
Internal UUID01a0ae8a-b7ce-788e-86ac-0e45f5f8b974 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060722
StatusPUBLIC

Content hashes

Canonical textedba10ffb817022c1ba21a48905efd29ddaceba52224e28929c01957a814cb97
Markdownb3fa75d78bfdf30dee1e1fa8f8a67ef8fe3056ccc87d9b3239defb4114311a3a
PDF
Publication page21883ed22e624c6ab30e88887d884d847eb14c847a14825b6e184fd128c63013
Manifest58a0f92b175c39fae81f4736232df6ea1cec5b9564957518958ccd80c7c3e6ec

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
Signaturedr9x7YajGNEXPAASW5L1DNWvMYxSW6MJcrnSvIImmuQqxx9o498PWwkxuwFHWRrGbIOjBCZCz2rPshsZXC/GCw==
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

2026-09-17T10:43:27.097345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060722
observed 21883ed22e624c6ab30e88887d884d84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:27.079044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060722/manifest.json
observed 58a0f92b175c39fae81f4736232df6ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:27.059799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060722/publication.md
observed b3fa75d78bfdf30dee1e1fa8f8a67ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:27.041749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060722/publication.txt
observed edba10ffb817022c1ba21a48905efd29...
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.