OpenTechnical

OT-2026-000027061

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000027061) never changes.

Identity and time

Publication numberOT-2026-000027061 · never reused
Internal UUID01a0ae72-3453-7990-8534-f59f694d62a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027061
StatusPUBLIC

Content hashes

Canonical text26f8a9faa9dce6b517604bcfeb7e546cd24bd5032c276b5a1c06cbb44ed1c918
Markdown4ded9ccd8a72d5a078f979e9b000b3a8043419da1099b0b51ae9ed58ff3a3c16
PDF
Publication page99494bea2947ae5ac6d3a69d143820a8aa95a8eadfebe09e28c37858b7aa7b8f
Manifeste54dfa07f1b20bfd840b5fe62700493b3c6dc1d3ebcbf83eab26ec563667fe46

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
SignatureUKX1WI1BDwu5jYArEZv4bWpgRNgeZEnbQ0j0dAJAiRsufw5uYXX3ExcUIX0vI7WLU4Ut20y2X53kYDMxgo/yDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:43:49.307947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027061
observed 99494bea2947ae5ac6d3a69d143820a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:49.291610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027061/manifest.json
observed e54dfa07f1b20bfd840b5fe62700493b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:49.275651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027061/publication.md
observed 4ded9ccd8a72d5a078f979e9b000b3a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:49.260590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027061/publication.txt
observed 26f8a9faa9dce6b517604bcfeb7e546c...
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.