OpenTechnical

OT-2026-000056579

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000056579) never changes.

Identity and time

Publication numberOT-2026-000056579 · never reused
Internal UUID01a0ae87-7af5-7947-b72b-57a49ea913c8 · 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-2026-000056579
StatusPUBLIC

Content hashes

Canonical text7884ac8dc1c08b21fe5fd28ff20a379c90bc2652b7301c926edf866d9610efa5
Markdown1321de6bfc7637bbb79b2b44fa09836a67a9c81d47155d69e6f6b58c379f4c92
PDF
Publication page888dd06cc11300f2e39dcc57eb2d7392e5929361da0d685dc8ca465a60aab93c
Manifestfed04a8a8fdebdee43437d6b7e726f1ef31b1c827fea3f2d14f885e7761268d2

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
SignatureqEcXsHoGNiZuIyEin4bikeaN4oKmk352crL4uAuu43kUMyj7ZUhao5chhWvItSQAD5yZ16ZttvD81rxF4dxfAQ==
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

2026-09-17T10:49:55.274769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056579
observed 888dd06cc11300f2e39dcc57eb2d7392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:55.249447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056579/manifest.json
observed fed04a8a8fdebdee43437d6b7e726f1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:55.229709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056579/publication.md
observed 1321de6bfc7637bbb79b2b44fa09836a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:55.210325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056579/publication.txt
observed 7884ac8dc1c08b21fe5fd28ff20a379c...
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.