OpenTechnical

OT-2026-000051218

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, vented 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-2026-000051218) never changes.

Identity and time

Publication numberOT-2026-000051218 · never reused
Internal UUID01a0ae83-273f-70b9-a3fb-c27784193f7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051218
StatusPUBLIC

Content hashes

Canonical text1b42342c67d4d5dcf8662cfa618aea655bdce0be3a728903f3f5cd348326d724
Markdown2d2e98674d3fc616260a5be50b630deda816b39d91949a35914b2eb36396cb68
PDF
Publication page8db75045e6dc9e71676e7fbce6084eb98c1593c84b610d97281c5e05969dd828
Manifest0bf7de8f8dfd890f3260bb2ebe31fb86fcf130dc624ad30faeafc8db1c2a0a37

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
Signaturetj8EhxIInDrvgwC4jTEbOAncqNpvFYiYsaGxf6/mhMN2nhy6FDh9K/ZnF2U+IfBJWJmXFCHGlBKiatI4W2BUAw==
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

2026-09-17T10:59:00.280476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051218
observed 8db75045e6dc9e71676e7fbce6084eb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:00.260810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051218/manifest.json
observed 0bf7de8f8dfd890f3260bb2ebe31fb86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:00.238830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051218/publication.md
observed 2d2e98674d3fc616260a5be50b630ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:00.218942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051218/publication.txt
observed 1b42342c67d4d5dcf8662cfa618aea65...
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.