OpenTechnical

OT-2026-000054372

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000054372) never changes.

Identity and time

Publication numberOT-2026-000054372 · never reused
Internal UUID01a0ae85-b3aa-7a99-92ef-26a03a177f9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054372
StatusPUBLIC

Content hashes

Canonical text9ae76f3ae188c2387364709f1a1b882bcf47f0e6ff2d9d87cdc172ecd9d0e4db
Markdown5b09b760159f6181f715e051fc690a016006a74be809ebfd10bb7b8fedd60187
PDF
Publication pagea4ab114f5d4cac7a655a9242e59eee52896e1b4230dc5594f0bfbe6fb6b95685
Manifestca94a98e2692ba67c34b38d00c84222903c7988fec953b3e83c64dcce27a2552

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
SignatureX50NkUi8EwXPVHAZoC/zb+6T0aMWRtttoURo36wTvklRu5TaOJ/1xuwc4BwJQsJ6oplSi9/GtYVFlzWNipjOCQ==
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

2026-09-17T10:54:53.547697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054372
observed a4ab114f5d4cac7a655a9242e59eee52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:53.527765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054372/manifest.json
observed ca94a98e2692ba67c34b38d00c842229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:53.509458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054372/publication.md
observed 5b09b760159f6181f715e051fc690a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:53.483699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054372/publication.txt
observed 9ae76f3ae188c2387364709f1a1b882b...
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.