OpenTechnical

OT-2026-000056276

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000056276) never changes.

Identity and time

Publication numberOT-2026-000056276 · never reused
Internal UUID01a0ae87-4bd1-7003-966d-0a67de914a2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056276
StatusPUBLIC

Content hashes

Canonical text24bf9caac196413eb1f8ab141deb0eb1762af5cd051ddabe19a85d6930d7ffe4
Markdowncce3fea8162c7a8a811dd9464de1ed3a6f45857017510231dfc11136e8dcb571
PDF
Publication page4fde2e771da144a613c0f1e36b3886d771eb3b182c5f2e5ebc64b068bea00e88
Manifestce3ced6a00197d66b77486237de93690abfbb97b88039d8eeaa260bec26761bf

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
SignatureBa6FEQPaFeUad0FhqvPy3eaOjsts4/CEyBzmLyT5wNe/I0FMvOvE3x2FQthCwLM3pXX2L3WBrbZDwwLNCDN0AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:45.823697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056276
observed 4fde2e771da144a613c0f1e36b3886d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:45.807040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056276/manifest.json
observed ce3ced6a00197d66b77486237de93690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:45.789305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056276/publication.md
observed cce3fea8162c7a8a811dd9464de1ed3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:45.770418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056276/publication.txt
observed 24bf9caac196413eb1f8ab141deb0eb1...
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.