OpenTechnical

OT-2026-000099252

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000099252) never changes.

Identity and time

Publication numberOT-2026-000099252 · never reused
Internal UUID01a0aea2-8289-7d84-ae97-98d670cf89d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099252
StatusPUBLIC

Content hashes

Canonical text8b7a456c5c850d0067d4bddf6aeb3d236b484e993ce3f17c2e4ff5baac6aebd1
Markdown59bccbe412aea04f492c9ecab04b5ca54ea3ef5e2da1b53e9b470c041d7cf097
PDF
Publication page58acd124e0a83c19313fd49b6cc828972d4b786ce493ae5c409fc428c4bb7b02
Manifest3353721b55c71f24028c4aceedf226616d3069001f4c45dec5466d7de5fd70a1

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
SignatureRH+OPC/w89e7quFJpOrgDO3o1n3ckWmGgjAyIFYeSrwb57dBbt1U+CpmGAsqj2NvouxtNV0SqBkTQ0AyTr11AQ==
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

2026-09-17T09:30:41.605560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099252
observed 58acd124e0a83c19313fd49b6cc82897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.587301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099252/manifest.json
observed 3353721b55c71f24028c4aceedf22661...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.567797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099252/publication.md
observed 59bccbe412aea04f492c9ecab04b5ca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.548134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099252/publication.txt
observed 8b7a456c5c850d0067d4bddf6aeb3d23...
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.