OpenTechnical

OT-2026-000102972

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000102972) never changes.

Identity and time

Publication numberOT-2026-000102972 · never reused
Internal UUID01a0aea4-be3c-7d8a-946b-ef395009df5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102972
StatusPUBLIC

Content hashes

Canonical text5202d8ed054c981e122b6b82bee84706c70e6ee07f38e3d41fcfbb2d943ed1ca
Markdown1f16ce83599bbef8c1483af474ea0864edb18892291a72958d869e4ac4872683
PDF
Publication page5f610a7e1dc82d918ddb671b0d18cf5012d4feadfc59ba22825b829479589446
Manifestbaf6fff914e54d180a1b0f2b54f59b669007901317c729e87a51ed505cc5399d

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
SignatureAmbq1+YEpT5LYp4Ql0/dOIUU4heHt9bH3gXgoPkb2SXPrhCDBg7TGa4I3pXYjXE0795hzRT/1I5E8fs/epa/Dg==
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

2026-09-17T09:23:04.975102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102972
observed 5f610a7e1dc82d918ddb671b0d18cf50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:04.958796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102972/manifest.json
observed baf6fff914e54d180a1b0f2b54f59b66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:04.941824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102972/publication.md
observed 1f16ce83599bbef8c1483af474ea0864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:04.924003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102972/publication.txt
observed 5202d8ed054c981e122b6b82bee84706...
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.