OpenTechnical

OT-2026-000006798

Publication integrity record

Bellows cup vacuum gripper, four zone face, plant vacuum fed, vented 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-2026-000006798) never changes.

Identity and time

Publication numberOT-2026-000006798 · never reused
Internal UUID01a0a967-c0d2-77aa-ada6-f5d21d3a705b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:49:04.212859Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006798
StatusPUBLIC

Content hashes

Canonical textd17cddef3a47746df1095d2b5e4ee7cccab38ec168b4c2c8815ba8d4ccf768ba
Markdowncc5614b4a1c410ec05e71aa92148a2c94e546d346163166ce45d74221fc8ba8f
PDF
Publication pageaf3bf4f6ee9727d53611b808c17df2e0a71411946e13958c338b920b4c2beea0
Manifest889a75b3e1f2e78908196f525901cc29926d01799282f7628ddcb3cf95495728

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
SignatureQV5cwcBJrxKAYCVy1CZrtlkgesfb9L33TeBKD/F3DeCh8yiCOl2Ebyu3CKt833kNJQU5zfo6z5K2Bm1dukdmBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T08:50:05.189325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006798
observed af3bf4f6ee9727d53611b808c17df2e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:05.173968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006798/manifest.json
observed 889a75b3e1f2e78908196f525901cc29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:05.159094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006798/publication.md
observed cc5614b4a1c410ec05e71aa92148a2c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:05.145511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006798/publication.txt
observed d17cddef3a47746df1095d2b5e4ee7cc...
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.