OpenTechnical

OT-2026-000026163

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000026163) never changes.

Identity and time

Publication numberOT-2026-000026163 · never reused
Internal UUID01a0ae71-a841-7f55-9432-d90d19c8f87a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026163
StatusPUBLIC

Content hashes

Canonical text1a5d264ae40dc25c0f4d5fe1b209d1d1ee2d07d644c740bd7221985022452148
Markdowncc8abe4190328f2a301371be50b9009e6e01f0bb95e1d30a2eca8e5f7a74acf8
PDF
Publication page6941900138b2bc9ffec7379164a053b5239e383a42c04f448cd4a708adb04922
Manifest77847e01837e11c0e60c3fe5cbaf48afd1d5732e6b5fff904513007380e7838d

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
SignatureuTHhMUzwcDFf1fhcqBcdi18P7pkpsD2jp9Xj/VVFL977RusE3A8vblnzPnAOPDxaKrXVDWTMVHbNlub/TZQeDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:40.400278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026163
observed 6941900138b2bc9ffec7379164a053b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.383782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026163/manifest.json
observed 77847e01837e11c0e60c3fe5cbaf48af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.365823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026163/publication.md
observed cc8abe4190328f2a301371be50b9009e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.346150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026163/publication.txt
observed 1a5d264ae40dc25c0f4d5fe1b209d1d1...
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.