OpenTechnical

OT-2026-000044225

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000044225) never changes.

Identity and time

Publication numberOT-2026-000044225 · never reused
Internal UUID01a0ae7b-d67b-7a6f-b127-737ebf9125b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044225
StatusPUBLIC

Content hashes

Canonical textef7aa1877406b440ce5afe8ee1f93af81294eafc9103150fb4e063030bcbaa7f
Markdown145e8107032ddf130a0cf32b577af7cb441406c2d6589ff1c6263b9a4c289eba
PDF
Publication page5d412e43a156646c8933f6b570e7b2a3d761191109e24b04c8c3f0989fb4bc16
Manifestf2db8900636b62030f037fca3385b43b53cc86931ebd0350d7b165432e32a06d

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
SignatureLL/IrypB1ZYkUH5K/RHYDGgHY8r+0rycEd+7gt0jbWW6+Pbk/hpMC7hwloNGDk3fne6lykV2aWZAxvIBrqGeAA==
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

2026-09-17T11:12:47.159739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044225
observed 5d412e43a156646c8933f6b570e7b2a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:47.141558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044225/manifest.json
observed f2db8900636b62030f037fca3385b43b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:47.120668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044225/publication.md
observed 145e8107032ddf130a0cf32b577af7cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:47.099649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044225/publication.txt
observed ef7aa1877406b440ce5afe8ee1f93af8...
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.