OpenTechnical

OT-2026-000063380

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000063380) never changes.

Identity and time

Publication numberOT-2026-000063380 · never reused
Internal UUID01a0ae8c-f944-7d0e-8af2-fd825e4fd9b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063380
StatusPUBLIC

Content hashes

Canonical text59931ce69917f286b1e917298c5533fe1157cfd28245ad75e7ca706893dc4df8
Markdowndad77edb29313d9c5f16c54adf639eae87af69795649a4d63d8f4121c279a840
PDF
Publication page2b7090037ea7ceb74856fc543de591ac3e7bece32739c8a3740335b9d391648d
Manifestcc6a6939c0f46f7a72d8729fee738ab2da9270e799cbf8d086681067f1a567ca

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
SignatureX2ci9qiQOMksM+ch8B2khFcn8fvPtxWueZcoHrlgZzfkB0170r3qpHRgc0v7C+SC6uVb7U2ex+FioCxmtmzNDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:17.530076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063380
observed 2b7090037ea7ceb74856fc543de591ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:17.509956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063380/manifest.json
observed cc6a6939c0f46f7a72d8729fee738ab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:17.492041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063380/publication.md
observed dad77edb29313d9c5f16c54adf639eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:17.473566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063380/publication.txt
observed 59931ce69917f286b1e917298c5533fe...
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.