OpenTechnical

OT-2026-000049658

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000049658) never changes.

Identity and time

Publication numberOT-2026-000049658 · never reused
Internal UUID01a0ae81-8fee-70f1-8bab-b0acbe63f96c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049658
StatusPUBLIC

Content hashes

Canonical text4ebfefc099d611952e5faa9766a0ea4b290229b09f6264b089a789b36e9e8af2
Markdowna063b55632d75f94628e627a1e18ba2d9ecae3825b1de64764c2c706a8076119
PDF
Publication pagea8f3b4c987d7b8b52b813b342bfa108bfdd5ffc9f7a21db779da611606da164e
Manifest415420aedc224194d950bb53f24d52cc5f835d475b2ae4700526661120ed4441

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
SignatureAfunWUWbkGAwL3/ap/3zGjLx9lWDBIf6JOi5fWpV2YLb+Y07CUQTghFo5p7ktWrEmxtzFXRr8FtmvEwbSFsHAg==
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

2026-09-17T11:02:39.560970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049658
observed a8f3b4c987d7b8b52b813b342bfa108b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:39.542505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049658/manifest.json
observed 415420aedc224194d950bb53f24d52cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:39.521458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049658/publication.md
observed a063b55632d75f94628e627a1e18ba2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:39.500549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049658/publication.txt
observed 4ebfefc099d611952e5faa9766a0ea4b...
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.