OpenTechnical

OT-2026-000011829

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000011829) never changes.

Identity and time

Publication numberOT-2026-000011829 · never reused
Internal UUID01a0ae6d-1941-7b58-b048-fae0f0cbdfec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011829
StatusPUBLIC

Content hashes

Canonical text251b20ef745b4380bd1030a04a037f7645bbe24cc167212b0b673b40806a2bb3
Markdowna6979cae35e990e0c53fae362963df88013652996709e400fdfda0366ab65988
PDF
Publication pagef65f70b0b0ac7ce734b2f843d3f4016c7c68f4687c0bcf63b12dd3b19a4ca909
Manifest051976e025805c28cd9e571d97cf314ad0435f939fdd494e53fa399d189f123a

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
SignatureHXKGcu4zvaUURC/f7N/JaRbrH3k4xZxRJE8tkVc06SoEGWE82WJ2hXnWWSNioAOQqojPRkz0eMRq14Gke8c7CQ==
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

2026-09-17T12:12:33.810545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011829
observed f65f70b0b0ac7ce734b2f843d3f4016c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:33.789350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011829/manifest.json
observed 051976e025805c28cd9e571d97cf314a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:33.767499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011829/publication.md
observed a6979cae35e990e0c53fae362963df88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:33.749371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011829/publication.txt
observed 251b20ef745b4380bd1030a04a037f76...
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.