OpenTechnical

OT-2026-000066692

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000066692) never changes.

Identity and time

Publication numberOT-2026-000066692 · never reused
Internal UUID01a0ae8e-ce42-798f-9e7a-154714476a2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066692
StatusPUBLIC

Content hashes

Canonical text7f7fb476fefc6e70bd8e95d90ba9a58f79d7125b83861c34bd33173d5a7ba896
Markdown398b8de7472b36e9a51c7c6c9d0771866488342b55f35253e7540cffd629923b
PDF
Publication pagea5872f49cc36294c07a8056e7e05d9a9a7bdbb464fb094288f0af7a70031206c
Manifest9609a82f85e60442d1d3eda2f7214c513b00a58064946fa923e2af8f0257c0d1

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
SignatureG5+2Kusds/95kTPHVAnjkoY/4Y74aSzSeN5aB5HYvsNN3TcQqfpsKxWo4LuMMP3B4cVzS81+Z6GZ+fsAeFMUDA==
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

2026-09-17T10:33:05.502392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066692
observed a5872f49cc36294c07a8056e7e05d9a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.482905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066692/manifest.json
observed 9609a82f85e60442d1d3eda2f7214c51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.462560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066692/publication.md
observed 398b8de7472b36e9a51c7c6c9d077186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.443445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066692/publication.txt
observed 7f7fb476fefc6e70bd8e95d90ba9a58f...
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.