OpenTechnical

OT-2026-000081798

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000081798) never changes.

Identity and time

Publication numberOT-2026-000081798 · never reused
Internal UUID01a0ae97-0f74-7969-bf61-7e9a0955da25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081798
StatusPUBLIC

Content hashes

Canonical text6c86d2647410b290eef757391209910f9235ffa5051d77818776504210f8c7a3
Markdown05bbc7f15e3f76a55845a2afb77e3003758976feb865eda057bddec32f24922f
PDF
Publication page4d8ef720ad59b168175815ea76e7e0fe2bea0efe5b01a7c5a6fa8924816bb377
Manifest6325435b3d66dc3014f42a50e90ef76c96c1b4614718cd7d577490fa99c46fc8

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
SignaturekQVpRRHhNhw/3tLG0wSDm7DMm75Q25hnbkywDKNC0yS/Ibso//SHUwKvo8QYdYiUH+PUN3dei0szrI/Nm02aCg==
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

2026-09-17T12:42:57.614714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081798
observed 4d8ef720ad59b168175815ea76e7e0fe...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:57.464956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081798/manifest.json
observed 6325435b3d66dc3014f42a50e90ef76c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:57.134995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081798/publication.md
observed 05bbc7f15e3f76a55845a2afb77e3003...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:56.887123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081798/publication.txt
observed 6c86d2647410b290eef757391209910f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:59:53.900604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081798
observed 4d8ef720ad59b168175815ea76e7e0fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:53.880885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081798/manifest.json
observed 6325435b3d66dc3014f42a50e90ef76c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:53.861751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081798/publication.md
observed 05bbc7f15e3f76a55845a2afb77e3003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:53.841660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081798/publication.txt
observed 6c86d2647410b290eef757391209910f...
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.