OpenTechnical

OT-2026-000052330

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, vented before 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-2026-000052330) never changes.

Identity and time

Publication numberOT-2026-000052330 · never reused
Internal UUID01a0ae83-e791-7a79-819b-5d4da9b78377 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052330
StatusPUBLIC

Content hashes

Canonical text128792502c0e87f8c1b223f0ba2ec740d58e8e76c21438275388fdd3d9bd857c
Markdownaa883ec9f78fcf66755da04be2f248aef62b0a98d30d505e6bdd0b50a90c01d9
PDF
Publication page6b57a299246c9222fbea9c12a47f4a4ac41a0f5e51e8fcd841025c3b9eb13641
Manifest86e4d0320000495b99b379c82644dc009695363e433e17ce4bcbeb7e4c4a77d8

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
SignatureZQhpsTmbaIwXMLoT0t5SHjbkfMXr9MaciP9QAWr0T0426nTxhlBcqJGmHeGmddNHm5Lb318InLD4xss4iKXvBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:01.192225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052330
observed 6b57a299246c9222fbea9c12a47f4a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:01.172728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052330/manifest.json
observed 86e4d0320000495b99b379c82644dc00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:01.154054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052330/publication.md
observed aa883ec9f78fcf66755da04be2f248ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:01.135394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052330/publication.txt
observed 128792502c0e87f8c1b223f0ba2ec740...
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.