OpenTechnical

OT-2026-000053187

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000053187) never changes.

Identity and time

Publication numberOT-2026-000053187 · never reused
Internal UUID01a0ae84-a432-7ad5-a1d3-11955e1bf6a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053187
StatusPUBLIC

Content hashes

Canonical text082ed7d702be142cccc971314ce431bc945dc43ae8f19a3c34727dc7d317ec57
Markdown79fe46f3d417fec9ef6b13645ca3db6aa47c29be597ba51ebe095ed392924da0
PDF
Publication page3c8d0cf914218ebb4fcc58371ea783c3148aab04e76577703a13aaee84bb0d36
Manifestbace9bf2dc9aaf35daa895e363227586a6ed3fb19b835f70885a2f011ac7a2cd

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
SignaturelDAwD7a/iE5CEwpeM9eMAal4XFSx3aK+q+XGuQB/SDEbM69S6Kq1THApY0J7yeIWHlP5h9Y9VUTsEt4SlacsBg==
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

2026-09-17T10:57:00.843834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053187
observed 3c8d0cf914218ebb4fcc58371ea783c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:00.825133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053187/manifest.json
observed bace9bf2dc9aaf35daa895e363227586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:00.805889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053187/publication.md
observed 79fe46f3d417fec9ef6b13645ca3db6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:00.788681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053187/publication.txt
observed 082ed7d702be142cccc971314ce431bc...
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.