OpenTechnical

OT-2026-000050109

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000050109) never changes.

Identity and time

Publication numberOT-2026-000050109 · never reused
Internal UUID01a0ae81-fd79-7012-99f6-71ee9c74bb1c · 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-2026-000050109
StatusPUBLIC

Content hashes

Canonical text0072b03c335ce7063905e23d5a54c008ef8c807831287cce5e6a484786cf9bcf
Markdown72575faa484f30e0ffde08f1d1a29c2371b571de8909e7a51ba01d5e57b3f615
PDF
Publication pagebc44b0798d80a9ce29d0de9f6386da523bbd5b93f20b8a4f8c8a39b95fff42f1
Manifeste430223038015c2f8caa4ca646e1e690057bc825146148e310f51d0cb8cb670e

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
SignatureVaNJ4ee6Bhd8/4pkqgi5cvaowEkrUCdcxrIDi8QYjy/OGUBX7JLKsHKEViR8CnlSRE78sPGKurjiiWg/YwRWBg==
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

2026-09-17T11:02:06.690344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050109
observed bc44b0798d80a9ce29d0de9f6386da52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:06.672552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050109/manifest.json
observed e430223038015c2f8caa4ca646e1e690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:06.656549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050109/publication.md
observed 72575faa484f30e0ffde08f1d1a29c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:06.639035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050109/publication.txt
observed 0072b03c335ce7063905e23d5a54c008...
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.