OpenTechnical

OT-2026-000011952

Publication integrity record

Four 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-2026-000011952) never changes.

Identity and time

Publication numberOT-2026-000011952 · never reused
Internal UUID01a0ae6d-1942-7a41-be06-002540fe4177 · 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-2026-000011952
StatusPUBLIC

Content hashes

Canonical text4269c3f9730f7b50259090c0ab6b1844ced23ed2d8e010a422861d00ff949a91
Markdown69c5bdb223f2336df4eb152020fea9f4981a4f853159544fb826798bd11e1928
PDF
Publication page7fcc5f35a401881df3d2b232da3d439c1279b1c6e4e5a90605e47a6f0cb2c2e1
Manifestaa4d265b47b4b8f3dc4273392f51604ff04c775bb63eb4a8c3bd8bd4cee1f412

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
SignatureinkVWRtBvxAImwNW99xNKLjUkU8iLAPYJ08dnUneuNlgAkc7cXG3AQhS+iPCJ7tAoazhc1ISsW7/OpcpuEolCg==
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

2026-09-17T12:12:47.889487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011952
observed 7fcc5f35a401881df3d2b232da3d439c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:47.870064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011952/manifest.json
observed aa4d265b47b4b8f3dc4273392f51604f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:47.850155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011952/publication.md
observed 69c5bdb223f2336df4eb152020fea9f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:47.830049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011952/publication.txt
observed 4269c3f9730f7b50259090c0ab6b1844...
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.