OpenTechnical

OT-2026-000057747

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000057747) never changes.

Identity and time

Publication numberOT-2026-000057747 · never reused
Internal UUID01a0ae88-2696-7543-98c8-2588e1b65937 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057747
StatusPUBLIC

Content hashes

Canonical text687cdf56162c021ef9edcc1ae54db46695921c4bd6812e4776f86342276e7e4a
Markdownfc7802dfb6fd56e4029f12ee2b51e8acb4e322ff599fa9fd3196ad788490ec61
PDF
Publication pagea47c36f9390e5161f7bc315a6dccd6885a27326b78a2c0776f2655c16020743a
Manifestfc056b7ebb8aeb9d69def4c1556437d1de34434c76994b18e9e664cec3441777

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
SignaturefV+s+JkhDZFmgqbhefRIGEycRX6+Wgr0StRXNMxIatWhUH/6gTncWlxQbMmPLIzXCK8IIIBaZ5gU6GVxIlgJAw==
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

2026-09-17T10:48:25.550874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057747
observed a47c36f9390e5161f7bc315a6dccd688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:25.532301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057747/manifest.json
observed fc056b7ebb8aeb9d69def4c1556437d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:25.509596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057747/publication.md
observed fc7802dfb6fd56e4029f12ee2b51e8ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:25.489859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057747/publication.txt
observed 687cdf56162c021ef9edcc1ae54db466...
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.