OpenTechnical

OT-2026-000097976

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000097976) never changes.

Identity and time

Publication numberOT-2026-000097976 · never reused
Internal UUID01a0aea1-92f7-7f91-a96a-c9cfc449e2e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097976
StatusPUBLIC

Content hashes

Canonical textcc7757dbd0007d5274e12e902d337f964fc16909f8679daa0e21118d43a46361
Markdowndd28fd3409a6165dc21cceea1b5f3c5f5d5c26bd78ea7da5e43bbe05a922e227
PDF
Publication page0028c10d240a94d62c887b90bdefb2a5a4091acdbe628444a273a398ccc4c6dc
Manifest3c519cb41e48cc45a98f3700922ff9a6a3ea907ab0dd9365158fcbba16570ab7

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
SignatureIIEp4guST4BBrPle3k3A5u22uKJt3tJp4vC0sGXTqWegTi0SlhB5FvBU+iSRso+3BP4NFU1wMPhjfudjZwLTBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:07.412674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097976
observed 0028c10d240a94d62c887b90bdefb2a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:07.395665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097976/manifest.json
observed 3c519cb41e48cc45a98f3700922ff9a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:07.377378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097976/publication.md
observed dd28fd3409a6165dc21cceea1b5f3c5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:07.359917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097976/publication.txt
observed cc7757dbd0007d5274e12e902d337f96...
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.