OpenTechnical

OT-2026-000048909

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000048909) never changes.

Identity and time

Publication numberOT-2026-000048909 · never reused
Internal UUID01a0ae81-134b-7141-bb60-cb2d8865717b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048909
StatusPUBLIC

Content hashes

Canonical text1d051e842edb1d9a1faca48f84f5e236930419a4a19c27b55cc3631947c4fcdc
Markdown4a935974b7ce35dcdce5856c54e15a19c349514374e15f50789062d8bed87e8e
PDF
Publication pagecb2bfce166c90214559c51aeaee68977afdfdf8a2583ec022413c02ccb24e613
Manifest658aa3b49010d03a618ce639ab61864f159ee3d50ab6fa0f79395a395f3427dd

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
Signatureo5sm8slHczgm7lLdhHLgecQJ9jmO/Be8RIjEtCi1v72JMAOBbvTj61D215MIioVH48jNAUHy/x0GaYuez5LZAg==
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

2026-09-17T11:03:04.867495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048909
observed cb2bfce166c90214559c51aeaee68977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:04.849983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048909/manifest.json
observed 658aa3b49010d03a618ce639ab61864f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:04.831642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048909/publication.md
observed 4a935974b7ce35dcdce5856c54e15a19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:04.814423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048909/publication.txt
observed 1d051e842edb1d9a1faca48f84f5e236...
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.