OpenTechnical

OT-2026-000009411

Publication integrity record

Two finger pneumatic 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-2026-000009411) never changes.

Identity and time

Publication numberOT-2026-000009411 · never reused
Internal UUID01a0ae6b-7561-7751-909f-c2efb8c403a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009411
StatusPUBLIC

Content hashes

Canonical text0a8c7e445d29445f2ea8fbb10acdf35abcc406d56ba2f33c428b1d1c9a55c74a
Markdown8d58f463587911ff658600f1e7b211087abe552d1197fd67954a6646fc4a85c6
PDF
Publication pagea19a026353c8ff60024bcb50da37e4a0c1bc140b9f4ce3b3423df95878934c35
Manifestab2b5ebb3c83a9e8e3410fdc091497a94258791bd616605b70c8530c679a8ed9

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
SignaturepnEpQZhdCdDTX+3Xw8y+qgcj8H4sYihzVSPHd3PXAYx9JcDd7aH723OpAqdB05puQw5xNVGugWkdArxcooumBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:41.583125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009411
observed a19a026353c8ff60024bcb50da37e4a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:41.565955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009411/manifest.json
observed ab2b5ebb3c83a9e8e3410fdc091497a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:41.548034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009411/publication.md
observed 8d58f463587911ff658600f1e7b21108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:41.530174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009411/publication.txt
observed 0a8c7e445d29445f2ea8fbb10acdf35a...
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.