OpenTechnical

OT-2026-000089790

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000089790) never changes.

Identity and time

Publication numberOT-2026-000089790 · never reused
Internal UUID01a0ae9c-1a23-75cb-8608-c6a8e9666c3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089790
StatusPUBLIC

Content hashes

Canonical textb75545fb1c95a09d94be615e2e593b87854645f1f0f7e798d55655d967a250d4
Markdown4146702a33ca594c3c578e83fd39c60c413754ff08b1befca3a26017049d5646
PDF
Publication pagea2f5588f9c50c5b60e2aed18b9a4d9636a162e594d94bb6aa19f077f5f9da190
Manifest6344feb8d552b9b8f9b6b725734b55cd36866de1877f528478268c40dc36b447

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
SignaturecNVZD7w43SvHBudjO0gUiBEGKPx+Xi+6aE1AOpufylslmu83cB28OZ4zl+engskQ8EiPhvnlvinX7tjP5iSvAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:25.061209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089790
observed a2f5588f9c50c5b60e2aed18b9a4d963...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:25.043408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089790/manifest.json
observed 6344feb8d552b9b8f9b6b725734b55cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:25.026425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089790/publication.md
observed 4146702a33ca594c3c578e83fd39c60c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:25.004630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089790/publication.txt
observed b75545fb1c95a09d94be615e2e593b87...
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.