OpenTechnical

OT-2026-000008514

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, vented 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-2026-000008514) never changes.

Identity and time

Publication numberOT-2026-000008514 · never reused
Internal UUID01a0ae6a-e46a-7000-bdd7-ff3a58858552 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008514
StatusPUBLIC

Content hashes

Canonical textd93c01ab5449c5b615598810e64dee717718767291f50419852e66b3fbb8b033
Markdownbdb9f64117bdfbbecbedd8d3bff988ab6deaa9982d4b229cd26cf915b3e6dfeb
PDF
Publication page187a5fdedcba015191eecdc56f616619f20e27dbb097ab959f05a0ffe2dd045d
Manifest2df5350d0e3b3646407c96cfde6ce1df2ad50c4e3969f0ffaf3bab82b44c6a0b

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
Signaturet+kJycf5CUF0ZtBMNdxcBENxF+SaIgs1tlTFKICDtJLaN25+KapEqfZ/6RHt5R85LrHixdZKKG833EFyLYWUCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:25.588337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008514
observed 187a5fdedcba015191eecdc56f616619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:25.571261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008514/manifest.json
observed 2df5350d0e3b3646407c96cfde6ce1df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:25.551184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008514/publication.md
observed bdb9f64117bdfbbecbedd8d3bff988ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:25.532147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008514/publication.txt
observed d93c01ab5449c5b615598810e64dee71...
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.