OpenTechnical

OT-2026-000020593

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000020593) never changes.

Identity and time

Publication numberOT-2026-000020593 · never reused
Internal UUID01a0ae6f-437c-7979-ba0a-acf47dabd97c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020593
StatusPUBLIC

Content hashes

Canonical text7bf637668a8bb6d031b89b78bf5d6eaa0f7678ee3cf2417ece6ccb420bf0625e
Markdown227040d5122a828e7fd5acfc9afa83af4f09c36e472834ee9fa350f5bdc7c497
PDF
Publication page96b7ac1c107f79b72ff44ca4addca491946cad6239ac4f05827cc373809c5eea
Manifest8970f2b5e2c3f7ea60ce6aafb98d565d57e5c5257c9ca8771e1098d2930a528b

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
Signatureo8DGU1rG7OEymZ8uUNXrGWL9e/s/+SjSt8g6RtPnTnBKLm38BiIJhn7V00crnLPXiC5q/B9Q9usCFw3T1USvAA==
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

2026-09-17T12:00:43.782744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020593
observed 96b7ac1c107f79b72ff44ca4addca491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:43.765841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020593/manifest.json
observed 8970f2b5e2c3f7ea60ce6aafb98d565d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:43.747773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020593/publication.md
observed 227040d5122a828e7fd5acfc9afa83af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:43.730296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020593/publication.txt
observed 7bf637668a8bb6d031b89b78bf5d6eaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:38.065623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020593
observed 96b7ac1c107f79b72ff44ca4addca491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:38.046204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020593/manifest.json
observed 8970f2b5e2c3f7ea60ce6aafb98d565d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:38.024066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020593/publication.md
observed 227040d5122a828e7fd5acfc9afa83af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:38.004604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020593/publication.txt
observed 7bf637668a8bb6d031b89b78bf5d6eaa...
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.