OpenTechnical

OT-2026-000104255

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pulsed blow-off after set-down

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-2026-000104255) never changes.

Identity and time

Publication numberOT-2026-000104255 · never reused
Internal UUID01a0aea5-3420-73e7-a661-17f9d4472185 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104255
StatusPUBLIC

Content hashes

Canonical text10f6e9b40eb19a6aa42882439132ce61f3c7c03d030e2fa07f84e2c24db20124
Markdown22004ac9a90bc448301d697db562515e748ae17d845087a7d296e14b814a0d73
PDF
Publication page898ccd1a2d9d780aafe3ade4ca866a226d6b66e379935c05ea6024fa79fb98ce
Manifest31e8ffda47edeac851eb9a6da08ee2c82837d9d03a0b74e2b54158b5df3d417d

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
SignatureBiNYXPGE+1X7LjvsWITSJGIoSz0o42EYAjQu2sdXkEO0lyK8ku5vLAD0VN12uF5d+xgvzfFR9bTlD6dX4dO0BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:22.020888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104255
observed 898ccd1a2d9d780aafe3ade4ca866a22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:22.004405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104255/manifest.json
observed 31e8ffda47edeac851eb9a6da08ee2c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:21.986268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104255/publication.md
observed 22004ac9a90bc448301d697db562515e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:21.969132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104255/publication.txt
observed 10f6e9b40eb19a6aa42882439132ce61...
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.