OpenTechnical

OT-2026-000009952

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, sustained 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-2026-000009952) never changes.

Identity and time

Publication numberOT-2026-000009952 · never reused
Internal UUID01a0ae6b-cb79-7286-a75c-d94b1132613d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009952
StatusPUBLIC

Content hashes

Canonical text9142a1843e59a24ad402b977f0392a0d430645368d6cb34bedbce20e9c48b3a4
Markdown84d273e26399949a5b536b573bf73b6cc1addf593a711c2cfa7ca38334f76e47
PDF
Publication pagee21d7f8f9d9e4211aa37befc5a7761bae743f356c22c3c9103ce24f9a6ddd9ee
Manifest5fde49dc2e58410d407df33d75ab21c579e60da7485e95132743458e170a2e90

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
SignatureU76j8Ye5qwGjtc+ypzx0weBuE10x75cFIu43mNpaairBX+fYUAv8095bZk+5dx/XamlFre4w+YjGPs3xPbigCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:59.185547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009952
observed e21d7f8f9d9e4211aa37befc5a7761ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:59.166552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009952/manifest.json
observed 5fde49dc2e58410d407df33d75ab21c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:59.147437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009952/publication.md
observed 84d273e26399949a5b536b573bf73b6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:59.126224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009952/publication.txt
observed 9142a1843e59a24ad402b977f0392a0d...
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.