OpenTechnical

OT-2026-000009955

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, vented 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-2026-000009955) never changes.

Identity and time

Publication numberOT-2026-000009955 · never reused
Internal UUID01a0ae6b-cb79-783c-a0fc-9fb83028c049 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009955
StatusPUBLIC

Content hashes

Canonical text8d4fc6e345c2cb4e54985fb5f19dd84a6326b753ddfcbc69accc4f152c339154
Markdowncd7038be48301abb13c40b84ca0dc5dcd16b20f5c16084132927a9b4fbb8366d
PDF
Publication pageab23e3d154e056784cd6cd14925d7ecb6fccd637d615be5722fae45d55b0cea7
Manifest983623101297b1d132ed293557e4cfa88bcc6902063b9a60c42cf963056d650e

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
SignaturecBOlZVS8uy7Tvrkc0cuo8zExhWFteKhkTQyyUp17OGtfNIIpeXH1787JV0J8FtagMhSISIM9wYgckAg5i0IPDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:59.419560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009955
observed ab23e3d154e056784cd6cd14925d7ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:59.400244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009955/manifest.json
observed 983623101297b1d132ed293557e4cfa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:59.382531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009955/publication.md
observed cd7038be48301abb13c40b84ca0dc5dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:59.364161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009955/publication.txt
observed 8d4fc6e345c2cb4e54985fb5f19dd84a...
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.