OpenTechnical

OT-2026-000054950

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000054950) never changes.

Identity and time

Publication numberOT-2026-000054950 · never reused
Internal UUID01a0ae86-5e80-7e1d-bc95-41bfec42a952 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054950
StatusPUBLIC

Content hashes

Canonical text281d791d7ba2650d2363d78311c6d865d29ca56ab545368de581528bfc4b6733
Markdown8da7701d0689a9f99dc689b664a94d44a9185571e51abd9dd8eb51ab0d8f3626
PDF
Publication page5decb27a245b35433850cb582254faf0e19262d8e86d5fe7bb7f720b5ef234e7
Manifestda7f3bb22024a15efdb0ec1c184b0e61789a37056b4a286b98431ea9d66baf40

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
SignaturePFx+z/ut6JXiUAxUTMT0I+803UtJhR/4IlHQ1HFRYGvVTd9nkaNZCFJP2aHhHJ58b5j8op1sYBdyxfE5jls9Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:03.595125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054950
observed 5decb27a245b35433850cb582254faf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:03.575918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054950/manifest.json
observed da7f3bb22024a15efdb0ec1c184b0e61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:03.557619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054950/publication.md
observed 8da7701d0689a9f99dc689b664a94d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:03.538115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054950/publication.txt
observed 281d791d7ba2650d2363d78311c6d865...
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.