OpenTechnical

OT-2026-000080104

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000080104) never changes.

Identity and time

Publication numberOT-2026-000080104 · never reused
Internal UUID01a0ae96-4378-7b49-9d31-a8f16361b2a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080104
StatusPUBLIC

Content hashes

Canonical text2c7cd92511dc5cf509c8634578dce09987e7defe68c4598f974ba47e78c03e94
Markdown04fd91e73c747b66dad2121f63e3a57eb57ba779531f4744e2b4fc0b84ff7577
PDF
Publication page57d2ca66c7302e3be33d998330a23f6d5646001bc22eb1e947825337ad347042
Manifest9fbf87c76ad04fb2b44f6aecd8934e08baa1774954d47cbbed46e9e6f79e41b1

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
SignatureMrlWSVWIWlp18Gpxrl8UEsIni98JR4I5Bq168LO76weIQoF6lj/hfQAOzcrNvnZm5ZEcZZDoy0HesHVqR3TlBg==
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

2026-09-17T10:04:02.726377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080104
observed 57d2ca66c7302e3be33d998330a23f6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:02.709602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080104/manifest.json
observed 9fbf87c76ad04fb2b44f6aecd8934e08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:02.691498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080104/publication.md
observed 04fd91e73c747b66dad2121f63e3a57e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:02.673020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080104/publication.txt
observed 2c7cd92511dc5cf509c8634578dce099...
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.