OpenTechnical

OT-2026-000048845

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000048845) never changes.

Identity and time

Publication numberOT-2026-000048845 · never reused
Internal UUID01a0ae80-c32e-7e66-b157-052155a1109d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048845
StatusPUBLIC

Content hashes

Canonical text03f53d25eb0e9ef1c7933547ab8ae88c7ac1fee4e5bc0429986a75d8e0fb69c2
Markdown0b3fe46da2c659538f0808d6ef4e07302028b986954345aa2c4bab138fca0881
PDF
Publication page57bd00752749188a25e7b31fc26973e66ab65631cfd04522c88881d6be9f46c8
Manifestcd5c4f415878b1940f1f13186b910833a5abb3aa5bbf7ee530329796fcbdf99f

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
SignatureMbTVMKs4I4bgTpHlN1gPMCypc4MbBNMNqFm9xfABbLIhj46KSqKDarTvH40zSRreeFHwwSCytRotBQxM6yerBg==
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

2026-09-17T11:04:38.523113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048845
observed 57bd00752749188a25e7b31fc26973e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:38.504394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048845/manifest.json
observed cd5c4f415878b1940f1f13186b910833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:38.483807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048845/publication.md
observed 0b3fe46da2c659538f0808d6ef4e0730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:38.463938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048845/publication.txt
observed 03f53d25eb0e9ef1c7933547ab8ae88c...
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.