OpenTechnical

OT-2026-000050406

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000050406) never changes.

Identity and time

Publication numberOT-2026-000050406 · never reused
Internal UUID01a0ae82-5c48-72b7-afe0-1c100cff5598 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050406
StatusPUBLIC

Content hashes

Canonical text6794ef3f9a68ec505a63ebe2e422022511cb41a746e66e318d209f08d2284482
Markdownd0590bf3dc9fc011f6e65ed5730ca613279dea539a789a55e44684e995befd8e
PDF
Publication pageb0a1f3ff06f78d2babd15384a8770e307e9efbf4320976196ee86555a4632137
Manifeste8c4be9a58724c57d57af5dd05927d8d525098e5f2f72d740eac6a54b375f7a3

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
Signaturet0boJ1tKMXSkedZkW/nKBwAbChuG+nFZgSR3jjf7072Cx+x0DhdNZHP7ZVymf8enYXsNLZlFhy+e7Ss5N0/mAA==
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

2026-09-17T11:01:26.909278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050406
observed b0a1f3ff06f78d2babd15384a8770e30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.892728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050406/manifest.json
observed e8c4be9a58724c57d57af5dd05927d8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.876350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050406/publication.md
observed d0590bf3dc9fc011f6e65ed5730ca613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.859203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050406/publication.txt
observed 6794ef3f9a68ec505a63ebe2e4220225...
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.