OpenTechnical

OT-2026-000019063

Publication integrity record

Four cup vacuum gripper, four 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-2026-000019063) never changes.

Identity and time

Publication numberOT-2026-000019063 · never reused
Internal UUID01a0ae6e-d523-7beb-8e45-3157b980475d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019063
StatusPUBLIC

Content hashes

Canonical text5fbb01d927d72582d2beb0ee6875fcf82ec94ab009c7a8a7949c3dddc6fee20e
Markdown213d7c176395a5ea914c2a3257b5a7dee173d84cc95e259282d55e93f07f23e7
PDF
Publication page063a05aaa3d31bf275c226aa170aceefb51b863b6db96cb5bb503b86eb326b74
Manifest0e9036aae5429c01231f3e66fd0f29c84578c29a90811b725cf2e760d07be240

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
SignatureIq+bx+5Kb89L8f3RI7o51IV5YSyokAMeDfZXlmxluWrXuBMFmBrW5NHs0N586K/goADF28G+SdtLrOEZuYQ2Bg==
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

2026-09-17T11:59:45.714090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019063
observed 063a05aaa3d31bf275c226aa170aceef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:45.694849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019063/manifest.json
observed 0e9036aae5429c01231f3e66fd0f29c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:45.675794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019063/publication.md
observed 213d7c176395a5ea914c2a3257b5a7de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:45.656742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019063/publication.txt
observed 5fbb01d927d72582d2beb0ee6875fcf8...
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.