OpenTechnical

OT-2026-000103565

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pulsed blow-off 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-2026-000103565) never changes.

Identity and time

Publication numberOT-2026-000103565 · never reused
Internal UUID01a0aea4-e461-7fbb-9aea-6fe950b82075 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103565
StatusPUBLIC

Content hashes

Canonical textdcc7998a3452addb328a82ec4d050d69eacd7e3e6f7dc50408cce0d10ebb4388
Markdown811b306618537f0c31a00300320c23c79536b5d0fe22efd83d236082a6caf87e
PDF
Publication page0d54d65d802ac9cae7b1d70f084ed3cc5c2ec20dde0ec3bff7bd0f88799f395d
Manifestc6227bc9d7eb9c3c1130cf784075b1e5757be40894369c6e8d123da6f0e6e3ca

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
SignatureK8vye0dymc9Z8T2X/Azu8zpftblj+rbm2qyGTboX3eDMIcjL8mThzWQWiGXcGzX/rWR+pUSY0mNETNyg/8t9Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:20.755810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103565
observed 0d54d65d802ac9cae7b1d70f084ed3cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:20.737085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103565/manifest.json
observed c6227bc9d7eb9c3c1130cf784075b1e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:20.719433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103565/publication.md
observed 811b306618537f0c31a00300320c23c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:20.701144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103565/publication.txt
observed dcc7998a3452addb328a82ec4d050d69...
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.