OpenTechnical

OT-2026-000061210

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000061210) never changes.

Identity and time

Publication numberOT-2026-000061210 · never reused
Internal UUID01a0ae8b-1381-756d-ac8e-bd31d89c08d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061210
StatusPUBLIC

Content hashes

Canonical text19928e048bf4ae638d3e73501f34e98936b89e890eb1c1579027d00e16e2ee28
Markdown1c444b825e6db50e0b2c5497d9346487f951a2efa9209dd7b3c34de3329942c6
PDF
Publication paged641e87c20b8a11c7987bcecda7e9ea0935775b5e81522dbfd8f8658be729c9f
Manifestfda39bbc36c8dae98a3cfd50a7e5541ffef7f2e719f7c46c688d491607bb2655

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
SignatureHyzwW3Hbu9lU+UwSJMGnk+r6+9ynNBk0MUSoWr9aSxaKavBKKskaNh73yCVMIYyHWZNc9un0daJAL2b9P4M+Cw==
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

2026-09-17T10:42:36.698627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061210
observed d641e87c20b8a11c7987bcecda7e9ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:36.681341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061210/manifest.json
observed fda39bbc36c8dae98a3cfd50a7e5541f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:36.662964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061210/publication.md
observed 1c444b825e6db50e0b2c5497d9346487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:36.642997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061210/publication.txt
observed 19928e048bf4ae638d3e73501f34e989...
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.