OpenTechnical

OT-2026-000030938

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000030938) never changes.

Identity and time

Publication numberOT-2026-000030938 · never reused
Internal UUID01a0ae74-3fb6-749b-8604-7e2835e65da1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030938
StatusPUBLIC

Content hashes

Canonical text46e105d889a24783c3af82251851ab9defde66ee11c7338b9651e412af946703
Markdown70a30c5542988694fa7070688ba879c53a171a8e3f579781d1e084c7284efbe8
PDF
Publication pagedce146ad45bee3e8267aae9292506ee4c9454a79ba1e97cc07c620edcea56d18
Manifest27c3ca27f29d32b6b87b2535ae3caa193aeb1039cac3ecbb090c208e37d14587

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
SignaturegmlpV9bpuUaGskDdHmESVBL2KrPQoLLxe5shKiN5GRp88S/g5qxxoOwPim/udokroVRYhAanLRSCRHmUnEMGCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:56.103076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030938
observed dce146ad45bee3e8267aae9292506ee4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:56.084101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030938/manifest.json
observed 27c3ca27f29d32b6b87b2535ae3caa19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:56.064157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030938/publication.md
observed 70a30c5542988694fa7070688ba879c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:56.044826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030938/publication.txt
observed 46e105d889a24783c3af82251851ab9d...
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.