OpenTechnical

OT-2026-000064143

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, 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-2026-000064143) never changes.

Identity and time

Publication numberOT-2026-000064143 · never reused
Internal UUID01a0ae8d-a45f-7db2-8bda-2d6a10f4d537 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064143
StatusPUBLIC

Content hashes

Canonical text2c9689226199c4870919bdb65f123aeb2475c6c1af82f2d1cfc1e25cd6a3b30d
Markdown2335fa4a88e06f15814d1a819f49f18da8b80f1ee9e1e2042bd4fe7ec5a2e917
PDF
Publication pagebc203f2282cf71aa8fc858292b63632c2d9e8592a63982d8d4a121587d39abed
Manifest45bbbc133b1e251fbf005048961bdf30fc8e0bbcd407336ffabc760172c91bd7

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
SignaturedSdMt05OZTm612KT/S1xZQ8MyApCME2QVLBU56iidUafOkk9u4H4XkEsM7u6AnZuFGNiLF0t+V4r0uN0eQ/dCQ==
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

2026-09-17T10:36:08.854092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064143
observed bc203f2282cf71aa8fc858292b63632c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:08.834330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064143/manifest.json
observed 45bbbc133b1e251fbf005048961bdf30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:08.816574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064143/publication.md
observed 2335fa4a88e06f15814d1a819f49f18d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:08.799352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064143/publication.txt
observed 2c9689226199c4870919bdb65f123aeb...
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.