OpenTechnical

OT-2026-000019647

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, 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-2026-000019647) never changes.

Identity and time

Publication numberOT-2026-000019647 · never reused
Internal UUID01a0ae6f-1fb3-7f23-b165-ae422c3f4a95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019647
StatusPUBLIC

Content hashes

Canonical texte666607407358dfb4b7d9d7d01ed2d225322dca6ca224e2adf71073c71ee55fc
Markdownd9000c8bb7c0620d1e67b23688960a3af2439ad903b4d9f96303a25122bc948f
PDF
Publication page8fc39a9b65622917cc56e4df19b8d5ba407d88041d27421216e7fbfab192eec9
Manifest3b4118d653f3befb73133767f0095653d00658fa591b9e595d9c3ab1aea6ef81

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
SignatureLU5KEPnk+hoaGqUPk7LO2qF0aq/KgU8kG1Fvggp/+330zRkiNBOycU2CFnt5tjFN/qAPCOGOEpRXmL8jISrRDw==
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

2026-09-17T11:57:42.547923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019647
observed 8fc39a9b65622917cc56e4df19b8d5ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:42.529903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019647/manifest.json
observed 3b4118d653f3befb73133767f0095653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:42.510986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019647/publication.md
observed d9000c8bb7c0620d1e67b23688960a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:42.491779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019647/publication.txt
observed e666607407358dfb4b7d9d7d01ed2d22...
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.