OpenTechnical

OT-2026-000051702

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000051702) never changes.

Identity and time

Publication numberOT-2026-000051702 · never reused
Internal UUID01a0ae83-7c82-70fa-aef1-e207ca1f78f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051702
StatusPUBLIC

Content hashes

Canonical textc5d03ab5528c1894f4355b11e06a94fd98d55cbbb10b86d1d326c84ba520f553
Markdowna1df16c416f359fae72ddaf21c4417cf508975c0ae885cba0ae9f477d42c2b51
PDF
Publication page899861b4b636e302941b5e9472972dbfc97bf1524835bf25d228d37ed66510bb
Manifestc40fd76ee4d5dc6eb4e09fac5370f3c33e42ae1e79453b1150cee83936010607

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
SignaturebuxCmjnoocXFPL6ikHfVUDi66AHvr0LNmkquLBsq7iPPFnxRrZ/vf3JXHt7OWWxVHKPCYrFvfBm14BjnqFoLCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:34.919335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051702
observed 899861b4b636e302941b5e9472972dbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:34.900049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051702/manifest.json
observed c40fd76ee4d5dc6eb4e09fac5370f3c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:34.882659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051702/publication.md
observed a1df16c416f359fae72ddaf21c4417cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:34.863504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051702/publication.txt
observed c5d03ab5528c1894f4355b11e06a94fd...
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.