OpenTechnical

OT-2026-000082775

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000082775) never changes.

Identity and time

Publication numberOT-2026-000082775 · never reused
Internal UUID01a0ae97-8cc9-730c-9842-275797ca7dc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082775
StatusPUBLIC

Content hashes

Canonical text2e67202c0ba3054c47f2237f5eeba8e0ae70f29100063a68fabd876f91b0a800
Markdown80ce3b82a848e91b3923b1084f8fbda96d7c2c0770877aef303739b6cd74faf3
PDF
Publication pagea219391ab0f98c4272eb1dc3bc01c4ac1f21eb7444a35fc611b5f1df3bb8b74f
Manifest853535e0671edfd1f101177b712cdb81a49b2fdf3d881a5407fe96b36f3bb0a0

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
SignaturenKRC/o8vz3hAOvpeYo3dJ9zKVa0PzQYjRS1GpNg1K6VYPghN2h1O613/ptVSFT6vAlaC3kPRpNz8ZgDx3Uj4CA==
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

2026-09-17T20:44:02.934186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082775
observed a219391ab0f98c4272eb1dc3bc01c4ac...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:44:02.765809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082775/manifest.json
observed 853535e0671edfd1f101177b712cdb81...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:44:02.547020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082775/publication.md
observed 80ce3b82a848e91b3923b1084f8fbda9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:44:01.950208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082775/publication.txt
observed 2e67202c0ba3054c47f2237f5eeba8e0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:58:21.768286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082775
observed a219391ab0f98c4272eb1dc3bc01c4ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:21.751661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082775/manifest.json
observed 853535e0671edfd1f101177b712cdb81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:21.735383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082775/publication.md
observed 80ce3b82a848e91b3923b1084f8fbda9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:21.717555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082775/publication.txt
observed 2e67202c0ba3054c47f2237f5eeba8e0...
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.