OpenTechnical

OT-2026-000042034

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000042034) never changes.

Identity and time

Publication numberOT-2026-000042034 · never reused
Internal UUID01a0ae7a-5d70-7e2d-9f22-60557bfac88b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042034
StatusPUBLIC

Content hashes

Canonical texta08e37dbde169e54222ecd364be6be2bf4bec00a8da4860d250b70bc1d9b9f4f
Markdown2e1fc1da6d581f5f1c10a9e475fd9e70b6ceabe5ae12463bfb5361a830f23914
PDF
Publication page30e339526b9acd68f7f04844a95bbe2f667d837e6015e063a3355ac21adeadf2
Manifest2c320efb4c31f0543147b3c99fc51280c163e125fb30f7bcd56ee988e66ce758

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
SignatureeqNLZCebrcL61yoQEfLUNMRxx7JpVZ4rRmCNAiNaP9fXBVwNm5B9rqZb4pmorXX2TZOR4KFXyxuwcCJ82XpQAQ==
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

2026-09-17T11:15:32.667020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042034
observed 30e339526b9acd68f7f04844a95bbe2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:32.649818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042034/manifest.json
observed 2c320efb4c31f0543147b3c99fc51280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:32.632929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042034/publication.md
observed 2e1fc1da6d581f5f1c10a9e475fd9e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:32.614295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042034/publication.txt
observed a08e37dbde169e54222ecd364be6be2b...
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.