OpenTechnical

OT-2026-000049885

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000049885) never changes.

Identity and time

Publication numberOT-2026-000049885 · never reused
Internal UUID01a0ae81-fd76-7f5a-a171-bda94664571b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049885
StatusPUBLIC

Content hashes

Canonical text564364394a4bd8466f53920eea3ee7d7ed3420869432c57ba640ba9c052cd5be
Markdown83cc50de8927f1715579d3c23a84957cad3be98dc803b2a4292b251b79b05ce6
PDF
Publication page425f9a8dd06fc6f369d80eeac641b3dfb21df2fdad48b2b84db38fb93f2ece4c
Manifest00dbc12b9e773a59b8ca0c58576366aecc92e795855185250fdc728f94d07eca

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
SignatureJ3YrVIFtVaO3Mx1c3W9QeEMUVUfOeq5avf2h/jpcxBJdBDBcvIRYV58LqemXhIQYskCYnfePFb6NqLFtUdW2Ag==
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

2026-09-17T11:01:48.033701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049885
observed 425f9a8dd06fc6f369d80eeac641b3df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:48.013855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049885/manifest.json
observed 00dbc12b9e773a59b8ca0c58576366ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:47.992988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049885/publication.md
observed 83cc50de8927f1715579d3c23a84957c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:47.974451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049885/publication.txt
observed 564364394a4bd8466f53920eea3ee7d7...
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.