OpenTechnical

OT-2026-000006586

Publication integrity record

Three finger mechanical gripper, pump fed, contact triggered, pneumatic 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-2026-000006586) never changes.

Identity and time

Publication numberOT-2026-000006586 · never reused
Internal UUID01a0a960-72b3-74bf-a61f-86e3eb636790 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:41:05.463190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006586
StatusPUBLIC

Content hashes

Canonical text476d593cc130d1f88987a4510b7d8102e0a4262185be8de633a71e6f3a969dbb
Markdown16ff5817813e47d408c9bb7003b4fa46284de52ca60cb343a4401b84a6a51364
PDF
Publication pageb15e3870dcf36fe1b0685a6eb8cea785625625501abf40b5aad6a13f53b8aa8f
Manifest0aab678975d2759c28ddbc4abc5041ca11c9ebb1bdf8feff8d38e87a148f58bc

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
SignaturekTR8IvePtbJpq5rhbfVXJ57XIDF9mst0X/HLYp4fElSFOr17c61zMoPj+yA/diz93fBMzqpP5nwEYfxmtjeICw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:28.164576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006586
observed b15e3870dcf36fe1b0685a6eb8cea785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:28.151801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006586/manifest.json
observed 0aab678975d2759c28ddbc4abc5041ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:28.137790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006586/publication.md
observed 16ff5817813e47d408c9bb7003b4fa46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:28.007442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006586/publication.txt
observed 476d593cc130d1f88987a4510b7d8102...
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.