OpenTechnical

OT-2026-000099539

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000099539) never changes.

Identity and time

Publication numberOT-2026-000099539 · never reused
Internal UUID01a0aea2-c975-724a-8541-ab96602bc4fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099539
StatusPUBLIC

Content hashes

Canonical text1cc35ef290358e73127e4bce3d7aaa11c1ccfa29c62ef8d5a20f45ac5b8887d8
Markdown3804e199dc12b35a172ddf9d859888335062c77eed085e6ae924705849877e50
PDF
Publication page2b61d7ec95a6bf504361d961ddad2427b43fa55b6cde7871df72c3c86686720b
Manifest4e25e25bb335c01e811afae46d7256ed0b353f678209d471b49b2ec6148232c3

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
SignatureQEeRPikWI02BHWJ1JOElU3h7ce1QYGnIqucwU4IvYCa1DMSU17vk7dfWVbQ5abuMrWuoG1bbEMh4clZ1LihmDw==
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

2026-09-17T09:29:26.561739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099539
observed 2b61d7ec95a6bf504361d961ddad2427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:26.544334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099539/manifest.json
observed 4e25e25bb335c01e811afae46d7256ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:26.524823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099539/publication.md
observed 3804e199dc12b35a172ddf9d85988833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:26.505501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099539/publication.txt
observed 1cc35ef290358e73127e4bce3d7aaa11...
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.