OpenTechnical

OT-2026-000009007

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000009007) never changes.

Identity and time

Publication numberOT-2026-000009007 · never reused
Internal UUID01a0ae6b-31b8-7cf4-86dd-22470a4f3c40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009007
StatusPUBLIC

Content hashes

Canonical text278a418b73fa46db2d7303d70b4ad90f664bb44a3868851edc30a9b8cda7c7a7
Markdown7b4aa4a972d7bbe6329a2505f8e4992fe3531d9387c1e4e8a69d2faf19ce2aa4
PDF
Publication page74ba06f96a2fac7bac13b7e9d8b56e3bf629d7d6212e28370978d0407625ba58
Manifest4e8b6a65b1163d597a2614c0585e7f5503bcc6ad40fc1d09d8e334980353dbb5

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
SignatureuMFNKzglr9j879plp/3K5XMeJQgWmXFEAiFmstM5dnCgTNeWLlBIpHwwESDf9n1TmAJm9CKfbuaBLAkW/UxKAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:38.573519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009007
observed 74ba06f96a2fac7bac13b7e9d8b56e3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:38.554583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009007/manifest.json
observed 4e8b6a65b1163d597a2614c0585e7f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:38.532655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009007/publication.md
observed 7b4aa4a972d7bbe6329a2505f8e4992f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:38.510453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009007/publication.txt
observed 278a418b73fa46db2d7303d70b4ad90f...
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.