OpenTechnical

OT-2026-000019092

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000019092) never changes.

Identity and time

Publication numberOT-2026-000019092 · never reused
Internal UUID01a0ae6e-d523-7fbb-b437-196da7d5ca3a · 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-2026-000019092
StatusPUBLIC

Content hashes

Canonical text5f89e2c9db158545d1653f51391763291cd45d8d54f5364632529ea43528c7cf
Markdowne71a11c6ce2d5ef704f77b3a2babcfa5c59191654d731b8784644ca1e7784ae6
PDF
Publication page99b9a9691fca30d479d2320b55a7aeeda3ad2a4db84c629b05aeb6643417efe1
Manifest578cd9dbe6f78ee7a849e0859b3012fbeaea8f5969bf7856d2811abc6a1d3ab5

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
SignatureiB8Y/PHQk50wFP8bUWki+eLKHH9NvyYmXa5wS/1UmzUkRShDDyY/25Zm5ytbfwZ1tcBSDEQGll77r1q+ysoUAw==
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

2026-09-17T11:59:48.042383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019092
observed 99b9a9691fca30d479d2320b55a7aeed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:48.024074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019092/manifest.json
observed 578cd9dbe6f78ee7a849e0859b3012fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:48.005686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019092/publication.md
observed e71a11c6ce2d5ef704f77b3a2babcfa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:47.987301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019092/publication.txt
observed 5f89e2c9db158545d1653f5139176329...
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.