OpenTechnical

OT-2026-000102900

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pulsed blow-off 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-2026-000102900) never changes.

Identity and time

Publication numberOT-2026-000102900 · never reused
Internal UUID01a0aea4-be3c-7be2-8501-315573f7c49a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102900
StatusPUBLIC

Content hashes

Canonical text12a1ec2e7e7605eaf675efc35df91859d5e4a2fa7e126b90d53ea5693f335a62
Markdowne6e3d628fe2c9352a88e41372908c2af9f21e7b229b87c42a9af253c05dea108
PDF
Publication page1702903776c0f219d6da67f54f94a8c88dd9e59d80dfeb90d127cdcd649b4346
Manifeste7b2ffe9894a895238fbcf18a6b5e5b33d0554b1bb22401867557687a6fdf056

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
Signature3lijtwxFptvZSVaA/gO7jAJKI2WeAxVXoWgIlQJX6kzUamKyipLjmVPzLs9XgfGeJWqfZ3b71hHHwuXxERkxCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T16:41:52.945613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102900
observed 1702903776c0f219d6da67f54f94a8c8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:52.685421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102900/manifest.json
observed e7b2ffe9894a895238fbcf18a6b5e5b3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:52.439507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102900/publication.md
observed e6e3d628fe2c9352a88e41372908c2af...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:52.226427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102900/publication.txt
observed 12a1ec2e7e7605eaf675efc35df91859...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:22:54.779906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102900
observed 1702903776c0f219d6da67f54f94a8c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:54.762450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102900/manifest.json
observed e7b2ffe9894a895238fbcf18a6b5e5b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:54.745099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102900/publication.md
observed e6e3d628fe2c9352a88e41372908c2af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:54.728391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102900/publication.txt
observed 12a1ec2e7e7605eaf675efc35df91859...
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.