OpenTechnical

OT-2026-000048038

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000048038) never changes.

Identity and time

Publication numberOT-2026-000048038 · never reused
Internal UUID01a0ae7f-c423-72bb-a0f6-caad4bc782a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048038
StatusPUBLIC

Content hashes

Canonical text4cbc6bbb87314e1e5cbf336899475ac56a29065cf929c577bd27c9f6f4d8ce3e
Markdownf3540d56e2fdfcdb1f44dad3b592a0508c76557283c33935ecb0fa39b2472736
PDF
Publication page4d89ca6f1d79c919f54bd6324eea7941daf0decc6c9acd970b2034e28a769682
Manifest70cb6a7f5eff8486b349e02d3658f1e78cfa42bf5fd4f57260a066c92c9b3955

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
SignaturePi7uQvTMxi4bDl8zGGUKH4WSiZrRwpp9X9awNRUdvVhfx8clWjgvKqYPahglSGTILbxbkFMB0nHihX6yDa7EDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:02.347033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048038
observed 4d89ca6f1d79c919f54bd6324eea7941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:02.327995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048038/manifest.json
observed 70cb6a7f5eff8486b349e02d3658f1e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:02.308981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048038/publication.md
observed f3540d56e2fdfcdb1f44dad3b592a050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:02.291468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048038/publication.txt
observed 4cbc6bbb87314e1e5cbf336899475ac5...
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.