OpenTechnical

OT-2026-000011812

Publication integrity record

Three finger electric gripper, stripped after 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-2026-000011812) never changes.

Identity and time

Publication numberOT-2026-000011812 · never reused
Internal UUID01a0ae6d-1941-7d92-b286-73fb663ca4db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011812
StatusPUBLIC

Content hashes

Canonical text5563c2654ff9a6ef8f2c71c2a03c064bff648f3d7001459e2ed796496cafa0fc
Markdown5c1a6604e49d6f9db305df206eb6ffea5319ef6e8319da3465cf522858523018
PDF
Publication pageef06617e4a683f43bc78f85c69f8482a1dfb8d14d3da182737821b4ec9af76a3
Manifestc7a68e7bf12cf2a4f5c630513654e67c22d86120f612d3ae2ba9c45354882197

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
SignatureIae8n6RQOLUUKZAPCz6NAK2OMZNzIER/kHo1FQZnXyz0iXXxzK2jdZDzzGJZyMgeOaxRPAWbCoDlXjUKLZVODQ==
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

2026-09-17T12:12:32.510573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011812
observed ef06617e4a683f43bc78f85c69f8482a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:32.493603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011812/manifest.json
observed c7a68e7bf12cf2a4f5c630513654e67c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:32.475983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011812/publication.md
observed 5c1a6604e49d6f9db305df206eb6ffea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:32.459041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011812/publication.txt
observed 5563c2654ff9a6ef8f2c71c2a03c064b...
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.