OpenTechnical

OT-2026-000081801

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000081801) never changes.

Identity and time

Publication numberOT-2026-000081801 · never reused
Internal UUID01a0ae97-0f74-702f-b26e-792dfcd2c971 · 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-2026-000081801
StatusPUBLIC

Content hashes

Canonical text927515419714896920615cf61b3ceed5d25c3731c9a3fb5191eeb8f1c960e8c7
Markdown84d942250983ce86a92d37b56da3af57b4599d7244ada422455dfed6a664d0f2
PDF
Publication pageff81ce930cc761b5ba8287f6b83f9e5aca076c574675589adc94c9354c6efbe4
Manifest569c6e0ad61e5a45f9b42df5c89247c956e19b8ca0e7ae7dcb1927998f130813

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
SignatureL7uVhkkQqLl5wX6Azz8/rlGOocUliFfosuPwY1xDRRI5hE6UqlwNkycke6umapOBPj5TmpSOiESv5QD1xrFhCw==
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

2026-09-17T09:59:54.139469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081801
observed ff81ce930cc761b5ba8287f6b83f9e5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.119065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081801/manifest.json
observed 569c6e0ad61e5a45f9b42df5c89247c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.100628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081801/publication.md
observed 84d942250983ce86a92d37b56da3af57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.080115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081801/publication.txt
observed 927515419714896920615cf61b3ceed5...
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.