OpenTechnical

OT-2026-000056721

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000056721) never changes.

Identity and time

Publication numberOT-2026-000056721 · never reused
Internal UUID01a0ae87-7af6-774c-987c-152b4429d5b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056721
StatusPUBLIC

Content hashes

Canonical textd46ae85c5a576784bcb3482949b359b927532a25b837ce2c965d9277da0a9d86
Markdown7819e8e9278ea68dac98271beb7f1d4c0fe298a26b0cd563698766a2d9ddf5e8
PDF
Publication page484bda22cc924d430b2cfe947110af1f0ba61f572178db5d802fe7cc29e4417f
Manifestd3610f474116fe1e20fc58db1da3da1a444e88cf7451606cad253fa05ffcdf7c

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
SignaturefRDiV/yFHyXHzQs3yswh4kW3uGMeC8HjBorPGxWuPYrqzsdArMtVDtis3mcyCdoDNZRyDYWxoadlk3VhGwjzCA==
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

2026-09-17T10:50:09.255123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056721
observed 484bda22cc924d430b2cfe947110af1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.233413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056721/manifest.json
observed d3610f474116fe1e20fc58db1da3da1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.215886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056721/publication.md
observed 7819e8e9278ea68dac98271beb7f1d4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.196172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056721/publication.txt
observed d46ae85c5a576784bcb3482949b359b9...
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.