OpenTechnical

OT-2026-000057477

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000057477) never changes.

Identity and time

Publication numberOT-2026-000057477 · never reused
Internal UUID01a0ae88-2692-700c-8701-b85993e2e20c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057477
StatusPUBLIC

Content hashes

Canonical text58895ca693e48b7dde18797df989c709bc52c7e318a51e247913422ad20228d6
Markdown9ca1ce62b36aa6079acf2a8c40e3268fdf024eca40e9a156949ddc2ef1839ab3
PDF
Publication pagea5c00a62280491c36a1b9cdbf58b75a0baed5b98281513a2c16cde214da82ae2
Manifesteb3af0f281d103152465677f0f563e5349d7255ba10c898f02210e20891681da

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
SignatureCX5Sf+JZf32vXA+oCH85eK6Iid9lWmBTXGaxZWCFaYBl6eu2wjSgXd+oHjsG7LXDXwfHewtITS/DVOMSmfD/BQ==
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

2026-09-17T10:47:59.835564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057477
observed a5c00a62280491c36a1b9cdbf58b75a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:59.814520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057477/manifest.json
observed eb3af0f281d103152465677f0f563e53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:59.792592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057477/publication.md
observed 9ca1ce62b36aa6079acf2a8c40e3268f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:59.773854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057477/publication.txt
observed 58895ca693e48b7dde18797df989c709...
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.