OpenTechnical

OT-2026-000052552

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000052552) never changes.

Identity and time

Publication numberOT-2026-000052552 · never reused
Internal UUID01a0ae84-573b-7096-9613-d1878fa6c579 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052552
StatusPUBLIC

Content hashes

Canonical text3efe13e1177a6dbf78db1bc82edc0825832c5238c25ac37f6e4be54812aa7954
Markdown5f838d186fc945b6889a75ac52dcf8818dce0c53fb2d3153dfd3e7edd175da3a
PDF
Publication page43837d488c91c69bcadf1cb1eadf29dd403bf97459105336728c98c8469ca421
Manifest13f4ce9e3a79377be011fcc469cacba948975e88b21f17593c9a605533244725

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
SignatureQ9DCU8Xxvgrd8VR4qoU2R/KI4xLz7+SUZa3o4eHgGA8YfURWm/457iGgLCYMZyxL411sm6/LGwIwGFU35BfRBA==
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

2026-09-17T10:57:12.380986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052552
observed 43837d488c91c69bcadf1cb1eadf29dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:12.364872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052552/manifest.json
observed 13f4ce9e3a79377be011fcc469cacba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:12.348598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052552/publication.md
observed 5f838d186fc945b6889a75ac52dcf881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:12.331127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052552/publication.txt
observed 3efe13e1177a6dbf78db1bc82edc0825...
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.