OpenTechnical

OT-2026-000069248

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000069248) never changes.

Identity and time

Publication numberOT-2026-000069248 · never reused
Internal UUID01a0ae90-b528-73fa-b057-9693539c83dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069248
StatusPUBLIC

Content hashes

Canonical text945edc2773465c4b755c8d98b7746b3e31b0be11cafe8c71c7a2f0ac133e13eb
Markdown3664c6401c3f362f1c950fa7b6e1dcbb5b89a82e15168337e70be7ba4f4c5d6a
PDF
Publication pageeab63694536852c4d852fad2a576f340acd3f7b7c5a25cc2659bb57edb4ee165
Manifest9297e44bf0e233bc94fe54561f47a93b31a9a015a00cbef8ec4a5a222644f80f

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
Signature+yu6eu//870W0b60+KImAgh8N6bRbm4qNt+U3o32wnICQcOZtYo3amPwNqW1kzpONqv/FKUrINVQcp1/iiQSAw==
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

2026-09-17T10:27:19.260773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069248
observed eab63694536852c4d852fad2a576f340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:19.244471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069248/manifest.json
observed 9297e44bf0e233bc94fe54561f47a93b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:19.227003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069248/publication.md
observed 3664c6401c3f362f1c950fa7b6e1dcbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:19.211487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069248/publication.txt
observed 945edc2773465c4b755c8d98b7746b3e...
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.