OpenTechnical

OT-2026-000033107

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pulsed 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-2026-000033107) never changes.

Identity and time

Publication numberOT-2026-000033107 · never reused
Internal UUID01a0ae75-4844-78ce-9a08-38c55961f0e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033107
StatusPUBLIC

Content hashes

Canonical text8693db8667a0a46a8ed8210176de44153f05c0b0068763eaa1af94d582551a91
Markdown12acdb1e94d28b071598117ee77e8a17a85e9a0e73ed3332b9454afd2c8929f8
PDF
Publication page8d02ba3c90dadbe58c0e9344f813b60d2bae4f073cfe9cd9d0eb1da2133df98a
Manifest66eb23fa603aa1acae2c18cf119fbb9f71627085f04b602e762e7d938bdfe842

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
SignatureLLqZ/gK6B0sChZLntllcC2NH08F2jLQmhCWtFPiPh5t2slpqJ6EJzb5b7gYBcc7QIegkyGJLDyMTMFBeDjzZCA==
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

2026-09-17T11:32:45.633352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033107
observed 8d02ba3c90dadbe58c0e9344f813b60d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.616816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033107/manifest.json
observed 66eb23fa603aa1acae2c18cf119fbb9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.596996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033107/publication.md
observed 12acdb1e94d28b071598117ee77e8a17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.580787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033107/publication.txt
observed 8693db8667a0a46a8ed8210176de4415...
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.