OpenTechnical

OT-2026-000017362

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000017362) never changes.

Identity and time

Publication numberOT-2026-000017362 · never reused
Internal UUID01a0ae6e-76c9-717a-bf6e-602de100d167 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017362
StatusPUBLIC

Content hashes

Canonical text4104bb6f2fa53d4830e606e73e773d7b92c7284f5a647c9d506e347d417a3f71
Markdown6f0add335d2a2c66a1eb53ba844ab5158477bf9188c8edf429f1b96a0ae11fed
PDF
Publication page2c390c80c73299ef06a745f7174dbd63c8e70ca35caf551fb0934886980a7c2b
Manifestede0caf504513259380197416c385c6ddb02770d74d3fd1de34b009914ef3509

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
SignatureMXqHdH+HcqEUEsI8Mw6eyNg3jaHchh/4aDYj8QPHr/DDq/pA1JLl9rvxKGrNFgxzsaHCnu8Ta4RXjF81OGZgCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:28.759790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017362
observed 2c390c80c73299ef06a745f7174dbd63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:28.742090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017362/manifest.json
observed ede0caf504513259380197416c385c6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:28.724731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017362/publication.md
observed 6f0add335d2a2c66a1eb53ba844ab515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:28.705921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017362/publication.txt
observed 4104bb6f2fa53d4830e606e73e773d7b...
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.