OpenTechnical

OT-2026-000047650

Publication integrity record

Two pad foam 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-2026-000047650) never changes.

Identity and time

Publication numberOT-2026-000047650 · never reused
Internal UUID01a0ae7f-c41e-73fa-970e-b34a1aad90e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047650
StatusPUBLIC

Content hashes

Canonical textc376617b3dabe6d4e021ad5085276c7ab60593b210d06cd5a631afd5692b7dfe
Markdowna78e670ed2b168a2f79f1953564d98dbb6bdc4325f0c9626d446a1d9858994e2
PDF
Publication page16ff1c6a8f25bc4950df46e62a1816b6c4f5035179d65c3e8287541f07e7ff8c
Manifest26d4ab0afe09a04a168e56fecb0eec1947159d95e851cf9957ea1b6ca369f838

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
Signature7+AXRjfG8AaOkqdIOLGrYt/GMrPR9/aZXwuxUnk2ijGfRcr9L481qJmEWo6vq75OUpGz/Xct/TRSHM4z2A/AAA==
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

2026-09-17T11:05:29.088163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047650
observed 16ff1c6a8f25bc4950df46e62a1816b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:29.070011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047650/manifest.json
observed 26d4ab0afe09a04a168e56fecb0eec19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:29.051050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047650/publication.md
observed a78e670ed2b168a2f79f1953564d98db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:29.032175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047650/publication.txt
observed c376617b3dabe6d4e021ad5085276c7a...
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.