OpenTechnical

OT-2026-000056373

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000056373) never changes.

Identity and time

Publication numberOT-2026-000056373 · never reused
Internal UUID01a0ae87-4bd2-713b-9c65-5a2ab1e889d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056373
StatusPUBLIC

Content hashes

Canonical textcefdbf82c0e16ff96fa86e28e081926c64b83cd0321c2ac34ea5f879e4c3416e
Markdownfe14dc95672d2916cab2c3369b84b1b032ac676042a80ff2b366d6673754702b
PDF
Publication pagec3fcbef81029431037a11dc7b7d10188671ffa27dd415c55a8c876dccdfaeb8b
Manifestdf64c7e39c6a6a47dfe01f8ca9a196ba434c0f5063d210221b085472dec43b56

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
SignatureZE8ukosfB3+YEjrt3/0thm4zl49d3+Je2P6nmPbpJHV16i5eWSZuEmxhXF8fvypubqITxEctNGXSl5K/FARNCA==
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

2026-09-17T10:50:53.623358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056373
observed c3fcbef81029431037a11dc7b7d10188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:53.603279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056373/manifest.json
observed df64c7e39c6a6a47dfe01f8ca9a196ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:53.583269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056373/publication.md
observed fe14dc95672d2916cab2c3369b84b1b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:53.564373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056373/publication.txt
observed cefdbf82c0e16ff96fa86e28e081926c...
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.