OpenTechnical

OT-2026-000048486

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000048486) never changes.

Identity and time

Publication numberOT-2026-000048486 · never reused
Internal UUID01a0ae80-4de5-7de6-9b7e-efdb83b4508f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048486
StatusPUBLIC

Content hashes

Canonical text2f5b40b6ccdfc618909c0e30818347f0473678c3939697daa4a0b70c4afd8fcf
Markdownd6222d67f641186a2e91a584de866fd64a3af791855285476d73d8826fdf4b7a
PDF
Publication page33c54d96ac7697db62d867361014876857c77e452179389aeb6d93dbd4ede7a0
Manifest7357fbe14e5ca1b67bed798fbc77a937422cfbcb2bd03bf1028eb06af74cf193

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
Signature4yztCPumu5ue7gUIFQdietJtBtAnqwhBdMRO3wrwPes9LC00rkpTLrqmURpYi81qFBS1edSVf3pllO54INNFDw==
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

2026-09-17T11:05:09.274494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048486
observed 33c54d96ac7697db62d8673610148768...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.257167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048486/manifest.json
observed 7357fbe14e5ca1b67bed798fbc77a937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.239332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048486/publication.md
observed d6222d67f641186a2e91a584de866fd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.221258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048486/publication.txt
observed 2f5b40b6ccdfc618909c0e30818347f0...
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.