OpenTechnical

OT-2026-000099647

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, 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-2026-000099647) never changes.

Identity and time

Publication numberOT-2026-000099647 · never reused
Internal UUID01a0aea2-c976-7d17-ba0e-c45f25f0785a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099647
StatusPUBLIC

Content hashes

Canonical text68ccc0d772832dfc909c7ea668966af5968ead7fd9454ea4d9d24813f99087c4
Markdowne89960bdab913be08cb10da3425fe8d5289d8137e9bf9d86e1848394d25e5dc8
PDF
Publication page89b25bdbcc33532cbe9c15246195b108ef8168e2fb3a0ab506a2518a0d658efa
Manifest91ae0dd196d9ec7d48a88d602835b7d4195a83366e3a9fe87cc923abf1dfc38f

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
Signatureuaa1XCjdyk2pxOoIHcs413nJoY9Q4rxAgQ0N6ZPZGLJcpFlGDWvY3qvekKjd45lUlvHSyBlJbl5NjxK0F1ckAg==
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

2026-09-17T09:29:35.210354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099647
observed 89b25bdbcc33532cbe9c15246195b108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.192986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099647/manifest.json
observed 91ae0dd196d9ec7d48a88d602835b7d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.175930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099647/publication.md
observed e89960bdab913be08cb10da3425fe8d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.159295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099647/publication.txt
observed 68ccc0d772832dfc909c7ea668966af5...
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.