OpenTechnical

OT-2026-000058429

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000058429) never changes.

Identity and time

Publication numberOT-2026-000058429 · never reused
Internal UUID01a0ae88-f39a-7d86-8671-ec90b224c389 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058429
StatusPUBLIC

Content hashes

Canonical textd5bd5a5258e4a5989cf462825ff182126cccfca6fb5fa2ba0ee9839f1fa6792c
Markdown903dcbdc0ad0779d7dc722e781fe120799f0d708048de9dc67e6de0a4523bf32
PDF
Publication page91e08649ac232100143f60bd76befef1aa7587a458d055d7aa3227e28d2f7c7d
Manifest2074a4f89e435546181a190b7f16dbcff7024034792e7cad347f764916ef90f9

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
Signaturecw8Wd9DeBw/a8u800pvUXynPcBUGUVT+Og52lmH2Cwl9KkUiK2uRdv1CcJJi5risn6JA6G+idnnbxxJ+1EkRBg==
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...

Independent retrieval

2026-09-17T10:46:52.057868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058429
observed 91e08649ac232100143f60bd76befef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:52.041444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058429/manifest.json
observed 2074a4f89e435546181a190b7f16dbcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:52.025429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058429/publication.md
observed 903dcbdc0ad0779d7dc722e781fe1207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:52.007669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058429/publication.txt
observed d5bd5a5258e4a5989cf462825ff18212...
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.