OpenTechnical

OT-2026-000080575

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000080575) never changes.

Identity and time

Publication numberOT-2026-000080575 · never reused
Internal UUID01a0ae96-7e79-7263-b6d0-4852196be51a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080575
StatusPUBLIC

Content hashes

Canonical textcd5595dfca1d1aa69b004785a28fe135e7a09bc0631a139164883276b951ea33
Markdownbeff4ad94f602e3f55703b47cf905b46b2cc27fbbdbae1a88b144bc8bb5f62d0
PDF
Publication page4221b4ebf5c6daa1b649550132023cb7c46af2f0e6f62e41c1c02661053324bb
Manifestc9c8ebf4f8582fe17b9f2692a26f36ca36e4487c77f3fda12d9f663bb62c7bfa

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
SignatureHppZmnqEokiQS0ocBCymjihuioMinRMsMNO+FHCht87QRbdO2nKb3ovqfhX2SMUvy/huG0xjNSKAxbZ+nqbmAA==
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

2026-09-17T10:03:12.554609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080575
observed 4221b4ebf5c6daa1b649550132023cb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:12.535885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080575/manifest.json
observed c9c8ebf4f8582fe17b9f2692a26f36ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:12.519280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080575/publication.md
observed beff4ad94f602e3f55703b47cf905b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:12.502224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080575/publication.txt
observed cd5595dfca1d1aa69b004785a28fe135...
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.