OpenTechnical

OT-2026-000038509

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000038509) never changes.

Identity and time

Publication numberOT-2026-000038509 · never reused
Internal UUID01a0ae78-2d53-71b8-a87b-20d4cbf9481a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038509
StatusPUBLIC

Content hashes

Canonical texta59ab556f2a8b81f6ed82572799db5c6a4ae86ac38b45319ef76757d55213fd3
Markdown1066528fe9f409aa348532889b707392f56849e6308515f98a3a940ed3b25fce
PDF
Publication page1fbad8edd9e79b93512f1d8be77f2fc3eb5d15cc3a214cd3eb27ea1791456c9b
Manifestc4ca5c4743247c3881b86a57c623a7f78b9dde2985c12aaf22290dbbd523d7f1

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
SignatureNKHkWt1cMHJyCbqd0iFn5/DSBz5TbF71jkP2v1j0oSSWItL1ZhEDkxmJk5wRtL+uD1nRWbV5e/+3CgegeOe3AA==
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

2026-09-17T11:22:45.581868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038509
observed 1fbad8edd9e79b93512f1d8be77f2fc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:45.561823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038509/manifest.json
observed c4ca5c4743247c3881b86a57c623a7f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:45.542321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038509/publication.md
observed 1066528fe9f409aa348532889b707392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:45.524222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038509/publication.txt
observed a59ab556f2a8b81f6ed82572799db5c6...
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.