OpenTechnical

OT-2026-000073078

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000073078) never changes.

Identity and time

Publication numberOT-2026-000073078 · never reused
Internal UUID01a0ae92-c816-77bc-911b-908dc8aaa766 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073078
StatusPUBLIC

Content hashes

Canonical textdc3c9aa8dd885d5d4dda6cd4c38d98639d1d7cb583e2a0a54461983c5c064ff7
Markdown728f8e812c6561b0dd051d62b0ddb04b269a7e0aa9f87efa949cb0ab52d5f31c
PDF
Publication pageb0754c7cc7c85e5b60f2d738af8be2ae7c5f078a7e349def1d8831178d72b4f5
Manifesta77089615774bd05f39b589f2e833583970c70a31911cfeec55ba0ea62999a54

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
SignatureTb2M/To9A0/xsY3/mRGa6dEmjIhmWEKP7G65QLlV/NMBjioA2o7K9BY9Md+vYQ71EmW6p0FMrkL00iBNgXTLDw==
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

2026-09-17T10:22:01.734684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073078
observed b0754c7cc7c85e5b60f2d738af8be2ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:01.716215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073078/manifest.json
observed a77089615774bd05f39b589f2e833583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:01.697604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073078/publication.md
observed 728f8e812c6561b0dd051d62b0ddb04b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:01.679038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073078/publication.txt
observed dc3c9aa8dd885d5d4dda6cd4c38d9863...
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.