OpenTechnical

OT-2026-000003228

Publication integrity record

End effector for transferring articles

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-2026-000003228) never changes.

Identity and time

Publication numberOT-2026-000003228 · never reused
Internal UUID01a0a6a0-f7aa-7584-9621-337a0ae02ecb · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:52:42.154997Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003228
StatusPUBLIC

Content hashes

Canonical text4e571a35159f23750dffb76706a9b51afbd7b75c538af83fb8817f5a344b59d9
Markdown0ccbfff11100b8914835e2c89584321579cf13a1aae73bf949b14f32d05102ba
PDF
Publication pagee7b61251c79818306772acfd2f1ad281b59459da397636fe383e9fb06539dca8
Manifest60e5f5bef5ef63be4dc3656917483e451944862830ffc76012f7058f0545650a

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
SignaturetKFvXx39DHH81I2Xf2iOa7WG+gmW1jROgE0Bh1Dywbkm0FUs+x6kJdvb7jBpvX+LAqlvz8jjL/ru11HFTn+hDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:07:03Z
batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof
root d42f3e627490c26ffd144bf37543fecf...

Independent retrieval

2026-09-15T20:00:08.640440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003228
observed e7b61251c79818306772acfd2f1ad281...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:08.480432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003228/manifest.json
observed 60e5f5bef5ef63be4dc3656917483e45...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:08.463456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003228/publication.txt
observed 4e571a35159f23750dffb76706a9b51a...
fetched by instance-3.rotem.ai from 127.0.0.1, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent