OpenTechnical

OT-2026-000062833

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000062833) never changes.

Identity and time

Publication numberOT-2026-000062833 · never reused
Internal UUID01a0ae8c-94a7-7445-a995-c43719ae3da1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062833
StatusPUBLIC

Content hashes

Canonical text916ef8573a97b42751256dc2adb0ae519a225cdbd5c67e46e7d47e71b0268035
Markdown922d0baf74c31fe97614b6201a0c8093cc72d4b9200477ae274aee7c523f562b
PDF
Publication pagecc9aa13987adbb5de5fc86dbdfcf2ba3998c564b013b05c11f8a4ec1de948e43
Manifest0f6217b1acf43ffa84d2741c471c56355e4cfdd6797886620c07ded7e72367f0

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
Signaturev/jb3TTAu5KEcvWRyQeO3T2dNFqktg77/CNQ9zzoXHBI8RnCKNhPGIMPaO7X2/FljvtHgViyn4to16Ykv6dYBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:40:09.083295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062833
observed cc9aa13987adbb5de5fc86dbdfcf2ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:09.058805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062833/manifest.json
observed 0f6217b1acf43ffa84d2741c471c5635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:09.035580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062833/publication.md
observed 922d0baf74c31fe97614b6201a0c8093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:09.011596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062833/publication.txt
observed 916ef8573a97b42751256dc2adb0ae51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:31.494610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062833
observed cc9aa13987adbb5de5fc86dbdfcf2ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:31.476770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062833/manifest.json
observed 0f6217b1acf43ffa84d2741c471c5635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:31.460093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062833/publication.md
observed 922d0baf74c31fe97614b6201a0c8093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:31.442470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062833/publication.txt
observed 916ef8573a97b42751256dc2adb0ae51...
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.