OpenTechnical

OT-2026-000078815

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000078815) never changes.

Identity and time

Publication numberOT-2026-000078815 · never reused
Internal UUID01a0ae95-ccbd-736c-8d21-592d8a5e21cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078815
StatusPUBLIC

Content hashes

Canonical text83c053ed0551d1465c239633c64fa0ffda3498ee8495caba366d93fc34f1f17e
Markdown3e39126f275940dfd7bf93e0f50610d29cb6b4e6ee0c6260f4d4f9f397adba7f
PDF
Publication page009ae0adb207775c821b5a25262ff8db60207d208c144526a6740a919a289c49
Manifest98df1083e93c05a2ad613c61b1d89238f336def01c9a78c82bad7cca2bbed7b2

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
SignatureHv1pL8JY+G/sYm+0R/wAo+MU0Vfb86Jg1DJEPMecvljjQYZOHuX+NhDegFd+xLzNmMKB6NwXH5Ja/UFRh88FDg==
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

2026-09-17T10:05:36.453113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078815
observed 009ae0adb207775c821b5a25262ff8db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:36.434929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078815/manifest.json
observed 98df1083e93c05a2ad613c61b1d89238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:36.416671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078815/publication.md
observed 3e39126f275940dfd7bf93e0f50610d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:36.396880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078815/publication.txt
observed 83c053ed0551d1465c239633c64fa0ff...
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.