OpenTechnical

OT-2026-000030206

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000030206) never changes.

Identity and time

Publication numberOT-2026-000030206 · never reused
Internal UUID01a0ae73-e500-7b3c-b6f1-346a5fbdbd9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030206
StatusPUBLIC

Content hashes

Canonical textd3f8acbc0866fba62b99950f4e7ce2bf227949b3e0db212d7d482a977ff9abc4
Markdowndb2ef9be635933b4e07bf892dab8bc7e26ab08247e99ee394d35e012bcebdc3f
PDF
Publication page0e6e61bac8a202e3081958c9e9e05a17ab2fa1a8d3387b6f67df082ac54b5e3f
Manifestdd00c5c01febd27f52fdb442905e3f638e31190ebb1f794ab09048d73cf39936

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
SignaturehKy1EVA2DzVOYNrG9JcRE8ezTWLAwrsXsHVUz11aQdhxZgUxprC82/qPVw9WdKP2SnThh94Md2uOv98yvbDLDg==
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

2026-09-17T11:40:34.647909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030206
observed 0e6e61bac8a202e3081958c9e9e05a17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.631472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030206/manifest.json
observed dd00c5c01febd27f52fdb442905e3f63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.613469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030206/publication.md
observed db2ef9be635933b4e07bf892dab8bc7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.590847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030206/publication.txt
observed d3f8acbc0866fba62b99950f4e7ce2bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.156157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030206
observed 0e6e61bac8a202e3081958c9e9e05a17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.139224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030206/manifest.json
observed dd00c5c01febd27f52fdb442905e3f63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.122163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030206/publication.md
observed db2ef9be635933b4e07bf892dab8bc7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.104591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030206/publication.txt
observed d3f8acbc0866fba62b99950f4e7ce2bf...
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.