OpenTechnical

OT-2026-000078380

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000078380) never changes.

Identity and time

Publication numberOT-2026-000078380 · never reused
Internal UUID01a0ae95-7c28-7bce-b1db-96ad784ec34a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078380
StatusPUBLIC

Content hashes

Canonical text8b87d3a13d5ef9a3c2a6deec7803cb5fbc2de0c73af6f00a3a51ece8ad1dacbe
Markdown449930167a9ce8c8cda595f503fa3c1732b30f9590e24e3201bc1fe701fe250e
PDF
Publication paged4843d4b49b4d8a3dba48a7823c7db268d1cc1a9032233bd3797fa9af6451690
Manifestdc599fda8fb7ee137d5490e6a59f529ef500f04724c239cbb19c4507e9a4b0cf

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
SignaturewPVhP1JVixYUUPnnrxmEdI5Q5AzZXvzD6D9gyMiDFUmVumoUwjhI89Kuw7U8lDL64S1td8yuDcC8lw+qbN7nDA==
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

2026-09-17T10:06:21.137624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078380
observed d4843d4b49b4d8a3dba48a7823c7db26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:21.119460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078380/manifest.json
observed dc599fda8fb7ee137d5490e6a59f529e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:21.099933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078380/publication.md
observed 449930167a9ce8c8cda595f503fa3c17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:21.080872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078380/publication.txt
observed 8b87d3a13d5ef9a3c2a6deec7803cb5f...
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.