OpenTechnical

OT-2026-000040882

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, sustained blow-off 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-2026-000040882) never changes.

Identity and time

Publication numberOT-2026-000040882 · never reused
Internal UUID01a0ae79-6d10-78cb-ad93-c4c0ed9ef930 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040882
StatusPUBLIC

Content hashes

Canonical text039f6abaa68e485f504e7f06c1c71a7855700a0da98f63131c93faa9d78051ce
Markdown2667732b4cf107edea34fa3210aeeb192177e0eaaa59f39b6a894bcc08910954
PDF
Publication page7fd0a149f7e6f702d9e06fe38d37cf358f281e0051960cd479ec5e78f4eab312
Manifest2f7628bf0e2972428b4e685ad11cd8e4eb5a2588e2c264c248c32d4694cc3112

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
Signature3UN4svmDZSaJtWFYzxSbw0mEfW3vkx81RyTZXUFwTytd6jRfYN0M8BzVJax/6gksRj8O6cSS2s8xlo8etgnPCg==
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

2026-09-17T11:20:14.558112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040882
observed 7fd0a149f7e6f702d9e06fe38d37cf35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.540194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040882/manifest.json
observed 2f7628bf0e2972428b4e685ad11cd8e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.519916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040882/publication.md
observed 2667732b4cf107edea34fa3210aeeb19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.501680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040882/publication.txt
observed 039f6abaa68e485f504e7f06c1c71a78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:40.564726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040882
observed 7fd0a149f7e6f702d9e06fe38d37cf35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:40.546635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040882/manifest.json
observed 2f7628bf0e2972428b4e685ad11cd8e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:40.529196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040882/publication.md
observed 2667732b4cf107edea34fa3210aeeb19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:40.511822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040882/publication.txt
observed 039f6abaa68e485f504e7f06c1c71a78...
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.