OpenTechnical

OT-2026-000085562

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, sustained blow-off before 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-2026-000085562) never changes.

Identity and time

Publication numberOT-2026-000085562 · never reused
Internal UUID01a0ae99-aaac-7aa5-b695-de6e8fa901b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085562
StatusPUBLIC

Content hashes

Canonical text9d882f71a62eb3aadc1fe204503ed2855034e5925582f7b59242a575430b2c04
Markdown8499130c9e8f2fe2134a9fa36429c2b6a969c93ab4ac8ba66a96dab20aca994d
PDF
Publication page8e3e85c3d78a94309ecb2d24dfb6a6a9199b70881fccb861af827055f1e7b8ff
Manifest5d0552f0d08a91353ca344d07b7ee3714778f2ee9cfacd67d31eeb992c92136e

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
SignatureITG+UBpJ8PRmsP2UERGdF1+UAulFpa2n78YJ+nV8ZSG8zMOAjKHweqmg6cpPlIt4ctEilrjH0LuhwMvwYD9AAg==
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

2026-09-17T09:54:22.984465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085562
observed 8e3e85c3d78a94309ecb2d24dfb6a6a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.966658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085562/manifest.json
observed 5d0552f0d08a91353ca344d07b7ee371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.949765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085562/publication.md
observed 8499130c9e8f2fe2134a9fa36429c2b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.933513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085562/publication.txt
observed 9d882f71a62eb3aadc1fe204503ed285...
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.