OpenTechnical

OT-2026-000045859

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000045859) never changes.

Identity and time

Publication numberOT-2026-000045859 · never reused
Internal UUID01a0ae7d-8f06-7952-b0f2-03fd8813157c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045859
StatusPUBLIC

Content hashes

Canonical text3faea60ceac52c707901aba03c1a251503b0f3825ea9a025f850894dbad7c4cd
Markdowna5841021651d33139eb936be6331d5e66b9e9b83179372581506c68e0d8efb6e
PDF
Publication pageb0ec04079347dc5f5f3b19c8bf49a95a5112d514f5f5d81399aefae275d2ff51
Manifest217f61b5d0d4843e077344d512528f06a9f0a85e2aac0ab521ddd2bbc2127a8f

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
Signature3r6QlEEfAvGv6BGFffw8zf9QU01dJW3PRFIEzwYd6e67dHAwLFkwqD3AxG8IBs4mOt5EgNeCB5Q4Av2HSK7gDQ==
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

2026-09-17T11:09:44.575691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045859
observed b0ec04079347dc5f5f3b19c8bf49a95a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:44.557670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045859/manifest.json
observed 217f61b5d0d4843e077344d512528f06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:44.539538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045859/publication.md
observed a5841021651d33139eb936be6331d5e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:44.521920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045859/publication.txt
observed 3faea60ceac52c707901aba03c1a2515...
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.