OpenTechnical

OT-2026-000019817

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line 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-2026-000019817) never changes.

Identity and time

Publication numberOT-2026-000019817 · never reused
Internal UUID01a0ae6f-1fb5-79b7-9385-cc7bd77fcd7e · 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-2026-000019817
StatusPUBLIC

Content hashes

Canonical text79e82efadeb16a34ab17a65234ae4b5a591aae46b3c4f56a6c7bf89f88b23a30
Markdown79db027f009368a0af6198cff9759adfd2b4e8c56938028062256f166bd8c9c4
PDF
Publication page6bad72d8333601e4e01ed242b377de3add83c9949935113fa0ef352ec633f1b8
Manifest95b4abfe0b6c1150e5a99b092ce8559debf62aea82c3c6ed880067967658a622

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
Signature4qox+emVaUOyJujNPy/IZWR69vY/qOQgSQ14Hsf2EmVmHWosxUNaIOdc6ZVmiYC4SXuh57j3AqkBov9eQnpGDA==
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

2026-09-17T11:58:00.303504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019817
observed 6bad72d8333601e4e01ed242b377de3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:00.283782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019817/manifest.json
observed 95b4abfe0b6c1150e5a99b092ce8559d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:00.265574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019817/publication.md
observed 79db027f009368a0af6198cff9759adf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:00.249148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019817/publication.txt
observed 79e82efadeb16a34ab17a65234ae4b5a...
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.