OpenTechnical

OT-2026-000003007

Publication integrity record

Device and method for removing a closing element

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-2026-000003007) never changes.

Identity and time

Publication numberOT-2026-000003007 · never reused
Internal UUID01a0a680-0433-7870-9aeb-25d8d3c05f2c · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:16:42.675507Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003007
StatusPUBLIC

Content hashes

Canonical textaced12a30522444cba02cc7ffdf15fa64e344c7aae6ee3c37c4ae331a2f93d51
Markdown2ed083c21237b371eec0cb21ade59dbfd6b62258a716d73f2ddf4dcfd8706553
PDF
Publication page0f2259372bb8edd544e276a09ce6838388fe24a1d6c9b3f43764d2db787f741a
Manifest36e484fa5f5f6a96da07a5e78776d3a5ceab4e0bb989bff05af03e856b379be6

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
SignaturejtinGhHuJ4ryt9dfawsQz28XSegzrSoWOZWxoZFW7pAAy1MSJsdWbAN0qhxscscwI4GJM2EaLcdUI4l6SZpJCQ==
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

2026-09-16T20:42:48.641867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003007
observed 0f2259372bb8edd544e276a09ce68383...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:42:48.424828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003007/manifest.json
observed 36e484fa5f5f6a96da07a5e78776d3a5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:42:48.236371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003007/publication.md
observed 2ed083c21237b371eec0cb21ade59dbf...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:42:47.956607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003007/publication.txt
observed aced12a30522444cba02cc7ffdf15fa6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:23:05.781336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003007
observed 0f2259372bb8edd544e276a09ce68383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:05.765378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003007/manifest.json
observed 36e484fa5f5f6a96da07a5e78776d3a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:05.750307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003007/publication.md
observed 2ed083c21237b371eec0cb21ade59dbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:05.734787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003007/publication.txt
observed aced12a30522444cba02cc7ffdf15fa6...
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

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