OpenTechnical

OT-2026-000009958

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000009958) never changes.

Identity and time

Publication numberOT-2026-000009958 · never reused
Internal UUID01a0ae6b-cb79-76c0-a43c-f6756d8cdc83 · 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-2026-000009958
StatusPUBLIC

Content hashes

Canonical textd28ff7bbb0558bf673e9c2ebb049d27dfcd8197fc15bc26d8f9450cb1e91692e
Markdown3bc6230bf4bfcbabe1aefad5a10ef8db1fde3c48437f1c42e7b6a265e4e02577
PDF
Publication pagec5bba8b903cec41cae667d7263cf840e63d2c965fef1ae74635455ef8b27737a
Manifest7f9a3308872b6dd9325466cdd62bcde97e4e55b79c7e10862cd4db75cab09158

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
SignatureaCvemq1UIqktgW2JGM2RlMdwITR0UkK+2I0DhTvrcfkOt4ichZWXz6TqB9IGw9dQVXmCV/rEAFTNw8T2XQS7Aw==
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

2026-09-17T12:15:59.653730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009958
observed c5bba8b903cec41cae667d7263cf840e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:59.633088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009958/manifest.json
observed 7f9a3308872b6dd9325466cdd62bcde9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:59.614372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009958/publication.md
observed 3bc6230bf4bfcbabe1aefad5a10ef8db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:59.596901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009958/publication.txt
observed d28ff7bbb0558bf673e9c2ebb049d27d...
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.