OpenTechnical

OT-2026-000006856

Publication integrity record

Three finger mechanical gripper, ejector fed, contact triggered, stripped from the face, electric drive

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-2026-000006856) never changes.

Identity and time

Publication numberOT-2026-000006856 · never reused
Internal UUID01a0a969-d002-78e0-bfa0-561ffa191b73 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:51:19.172730Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006856
StatusPUBLIC

Content hashes

Canonical textbff505663b7a2d8ddb660ed698e7ca9f44b92f7f10b09b5cd121c13a3245a908
Markdown03d73be305e2b4de36f644c132fbc3ec176146204e251cd3b3fbbd3b159c283c
PDF
Publication page3db294cf927b724e4f2c1040ba1febc67bbaf527b32d254d4a4523f3af9390c6
Manifest6698563758e5128aff92e082d4b390228f7d83300f45687933cd6645676b5227

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
SignatureN2JVsMU0cUqGehPSAJ7ie0tvD4O1Usjz3+GdwoLLXnZMXoBn4TwABbKLgue4JqrDjjD1vJsWsSKOr4WdAtC6Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:28.677593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006856
observed 3db294cf927b724e4f2c1040ba1febc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:28.666509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006856/manifest.json
observed 6698563758e5128aff92e082d4b39022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:28.654113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006856/publication.md
observed 03d73be305e2b4de36f644c132fbc3ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:28.641539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006856/publication.txt
observed bff505663b7a2d8ddb660ed698e7ca9f...
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.