OpenTechnical

OT-2026-000049309

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000049309) never changes.

Identity and time

Publication numberOT-2026-000049309 · never reused
Internal UUID01a0ae81-1350-79f1-9e57-449f52018c87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049309
StatusPUBLIC

Content hashes

Canonical text6b49634cf0340338af0df12df39ebb0b887767d6340122bfa80947c1cf3f2a11
Markdown821fc0af7a96d392080f09f2b2e3cb12ad92d2ea25b20a62ca142f53c47946b1
PDF
Publication page928827d9041ef9d65102c1058bd70f9fe9cb4e82ab7caf2d7063c01024506321
Manifest6004a1596b7e5451cebf00b1812f65cbbeb02a678919716b447332756e6e24a5

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
SignaturePj5vXl0kYEcdoInPOlxEMUbcUHgDHiFcDvGe88hBt0x1rN26DrWi9HtYofQWQnUKrSEixY5lUfpC1W4qTYSRAQ==
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

2026-09-17T11:04:10.580074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049309
observed 928827d9041ef9d65102c1058bd70f9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:10.560524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049309/manifest.json
observed 6004a1596b7e5451cebf00b1812f65cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:10.540614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049309/publication.md
observed 821fc0af7a96d392080f09f2b2e3cb12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:10.522420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049309/publication.txt
observed 6b49634cf0340338af0df12df39ebb0b...
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.