OpenTechnical

OT-2026-000057080

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000057080) never changes.

Identity and time

Publication numberOT-2026-000057080 · never reused
Internal UUID01a0ae87-d5b7-79f4-8b67-c254cf799338 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057080
StatusPUBLIC

Content hashes

Canonical text4388d10a19b9d27c226448062cd10025a03fd377c27333e7645c9a71a7e4f785
Markdownf4c552580ab751cd61cd03ed8641fccf149c876cf84d4c8504abad27efc690c1
PDF
Publication pagee1efcd1e59b70b6974f9bf1ad6caafd5f2d77e1605795e7d37f38a73cb9fc82a
Manifest9d5e87c100799a1488b0d0921b59b297b577190d8a9ba5ac4c5d6bb54264ab30

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
SignatureGhcmqOQ58U1RgykgYywHOyBeuyfhx196px1EmHC9fI2tNcx7y9PRSkSJWtn4zvwOK+rcaodszICe5EuMODS2BA==
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

2026-09-17T10:48:34.530027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057080
observed e1efcd1e59b70b6974f9bf1ad6caafd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:34.511064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057080/manifest.json
observed 9d5e87c100799a1488b0d0921b59b297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:34.491412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057080/publication.md
observed f4c552580ab751cd61cd03ed8641fccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:34.468996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057080/publication.txt
observed 4388d10a19b9d27c226448062cd10025...
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.