OpenTechnical

OT-2026-000069068

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000069068) never changes.

Identity and time

Publication numberOT-2026-000069068 · never reused
Internal UUID01a0ae90-6dce-72e8-a972-5091abf46bfa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069068
StatusPUBLIC

Content hashes

Canonical textc7dbbdc020d5bd1312772aa5c3877c1f028d9c99ee664c1d397c48330a370dff
Markdownfd4e8d1b5c5f1481400caf9c5509c277c9a87ded8972749631142a1a598c9fd8
PDF
Publication page5f1cabf82da05e0128d16631b8c4ac12c0f6ce0bb4df8589d9eb17cbc0f2af6c
Manifestae8bcf199353a9516805b0bdd7eac654c0edeb8674ede21ff9d92b52ad529570

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
Signature/TjyA9PmVpJppwra+jMwB2yWxdapBBEi6C9gM3A8B6HP1SezD/oFdgvM3TMZGmnai/r8R2297H14Gra4EDanAA==
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

2026-09-17T10:28:55.995948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069068
observed 5f1cabf82da05e0128d16631b8c4ac12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:55.979961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069068/manifest.json
observed ae8bcf199353a9516805b0bdd7eac654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:55.962288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069068/publication.md
observed fd4e8d1b5c5f1481400caf9c5509c277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:55.945300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069068/publication.txt
observed c7dbbdc020d5bd1312772aa5c3877c1f...
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.