OpenTechnical

OT-2026-000001937

Publication integrity record

Magnetic gripper and magnetic gripper system

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-2026-000001937) never changes.

Identity and time

Publication numberOT-2026-000001937 · never reused
Internal UUID01a0a679-88c5-77df-b2ce-90cc90cb54bc · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:09:37.861595Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001937
StatusPUBLIC

Content hashes

Canonical textd27b0fbe04991f00db6b5a37f34a1e1032cd49b989d0dcddd989715b90f8f598
Markdownd96a48f91cbdd1da3c8a2c9514c6ad1832a204e83953d233836e4b419f591165
PDF
Publication page6ecf59d4f4abc356fa60fe79ec7451bc674e3f031f3dc0e74e0d948334455a10
Manifest647f7d67a4c0c50202c6aa10ca9ad7de7f299ab3ab48431bf7818bb9b2a76b58

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
SignaturefL60do3Qav4/r5Gj8hAtPZnkodfT14YzE9BgUX4YNfK+zZa+pFDA5qtRKkOL1Xzol5Y5RvnasegvtjIF8iqgDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-10-07T20:41:48.463814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001937
observed 6ecf59d4f4abc356fa60fe79ec7451bc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-07T20:41:48.287907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001937/manifest.json
observed 647f7d67a4c0c50202c6aa10ca9ad7de...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-07T20:41:47.878193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001937/publication.md
observed d96a48f91cbdd1da3c8a2c9514c6ad18...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-07T20:41:47.691153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001937/publication.txt
observed d27b0fbe04991f00db6b5a37f34a1e10...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:10:09.343142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001937
observed 6ecf59d4f4abc356fa60fe79ec7451bc...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:09.189900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001937/manifest.json
observed 647f7d67a4c0c50202c6aa10ca9ad7de...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:09.176392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001937/publication.txt
observed d27b0fbe04991f00db6b5a37f34a1e10...
fetched by instance-3.rotem.ai from 127.0.0.1, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent