OpenTechnical

OT-2026-000056379

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000056379) never changes.

Identity and time

Publication numberOT-2026-000056379 · never reused
Internal UUID01a0ae87-4bd2-7ac0-9be6-4a9299249a5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056379
StatusPUBLIC

Content hashes

Canonical textb49ba4f6d8a2c7f72b3649d249ae7ca38aa94d3dea75128ef48d2af1f3a25371
Markdown36a1686c500cc6cf29bcd74eab9d16b1d4d4db5bc379e03956d7be38f44f2697
PDF
Publication page2c9ebab932f228b07cba255a5e6ad8b783542ce01a36438f502be73602365ed7
Manifest7b863a052b8c05c01a0da6bd0be21f4eb166cce69e6adb21d64efadd76864d11

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
SignatureSswi/aKZ/5FRAbHHQIj9LnhpiA5WGS0tt9qVqJEZPXRdk5H8sUahaLVn/0OwMP842l/eUlDAfIfN5ecPjVfKCg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:54.008485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056379
observed 2c9ebab932f228b07cba255a5e6ad8b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:53.988862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056379/manifest.json
observed 7b863a052b8c05c01a0da6bd0be21f4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:53.971694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056379/publication.md
observed 36a1686c500cc6cf29bcd74eab9d16b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:53.953154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056379/publication.txt
observed b49ba4f6d8a2c7f72b3649d249ae7ca3...
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.