OpenTechnical

OT-2026-000098175

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line 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-2026-000098175) never changes.

Identity and time

Publication numberOT-2026-000098175 · never reused
Internal UUID01a0aea1-e964-763c-9b78-73eda93f2eb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098175
StatusPUBLIC

Content hashes

Canonical text3c8904e95fd53a9042892ab3d6c7082cf5ea52f3a3ff99555c2e51f087ab1258
Markdown532e656da568491a5a86231d12192e83f9b62b4fcf62055ebd202ba0d44c1591
PDF
Publication pagebfe7ea294668e4768b223af75ac4d33bb993ef977952757a36c4361f78e8b7e1
Manifest9b146fd1c01692a500deaa4ee50c65ba1eeb9b6560b4a1a4d3213bc2ba85299a

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
SignatureX/Z99W0eQdpfYQazptKJqJwdvRhVcZHQic9WJn2udYEnK/puGYdWJ8jnnCmAa1vn2He5P2qvSlSChYaGEx7aBA==
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

2026-09-17T09:31:19.759738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098175
observed bfe7ea294668e4768b223af75ac4d33b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:19.741210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098175/manifest.json
observed 9b146fd1c01692a500deaa4ee50c65ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:19.724141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098175/publication.md
observed 532e656da568491a5a86231d12192e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:19.706982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098175/publication.txt
observed 3c8904e95fd53a9042892ab3d6c7082c...
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.