OpenTechnical

OT-2026-000103140

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum 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-2026-000103140) never changes.

Identity and time

Publication numberOT-2026-000103140 · never reused
Internal UUID01a0aea4-be3e-7a83-9cce-89a589a82adf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103140
StatusPUBLIC

Content hashes

Canonical textae605c707fd6723ff231d12dfade72dd00582babb99f44fce32b6770c2882ae5
Markdown5270438efaf504dae7752bdc83df46453d758e5d29da4a9af08eb97a9cba4bf5
PDF
Publication pagedac8908991c0099bf66fa4f89be0f688147cee89559ac4048987aeb031a102df
Manifestb06074db45235f7442ee567807a1d744886a7c30b947ab25a42af305456c8b60

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
SignatureOhLAiX9tWX/FIkzciPpSEACvrXcim58dwowhai9DDZXyNTrHCcnuJ3BKCr4vBmWLooNkcFqd1ynNzDXrx1xJCA==
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

2026-09-17T09:22:50.990435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103140
observed dac8908991c0099bf66fa4f89be0f688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:50.973396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103140/manifest.json
observed b06074db45235f7442ee567807a1d744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:50.953754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103140/publication.md
observed 5270438efaf504dae7752bdc83df4645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:50.913170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103140/publication.txt
observed ae605c707fd6723ff231d12dfade72dd...
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.