OpenTechnical

OT-2026-000103359

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, pulsed blow-off after 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-2026-000103359) never changes.

Identity and time

Publication numberOT-2026-000103359 · never reused
Internal UUID01a0aea4-e45f-784e-86c8-b941950d0738 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103359
StatusPUBLIC

Content hashes

Canonical textded91d2bf056dcc1d45fdd23caf98cc7e252bd8ac0d34dc4c70a41c0e2f95a03
Markdown8ac7bc3883a8de694afa54877c8ba633d0c963d87271fcd3c00a1d16b96b63bf
PDF
Publication page8581d46658a63a30782aced4b4037f2d7d38ad19072ef1f023c3e3d9fb846de1
Manifest91685038c14250e9716c023907c93dec8a111a03ed2eadd9fc5c3da4c5637dcc

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
SignatureGMNA8qOGm4D22R3d8ocM1Rtwz9QvKi6xbYBsgUQJG7VIg7eqb67RZ+a+3b5e1LGvrwGQZNspVl0gQw41lAm0DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:05.549624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103359
observed 8581d46658a63a30782aced4b4037f2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:05.531682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103359/manifest.json
observed 91685038c14250e9716c023907c93dec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:05.513125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103359/publication.md
observed 8ac7bc3883a8de694afa54877c8ba633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:05.495128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103359/publication.txt
observed ded91d2bf056dcc1d45fdd23caf98cc7...
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.