OpenTechnical

OT-2026-000045592

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, pulsed 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-2026-000045592) never changes.

Identity and time

Publication numberOT-2026-000045592 · never reused
Internal UUID01a0ae7d-8f02-7a6b-a3f9-ddfad7f9972a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045592
StatusPUBLIC

Content hashes

Canonical text26efae26016346f33bcdabc16f091f7806782a71c4f9e3664658831b089938f3
Markdown52d4d74246d5f907b1443427811c67e611f2ae0f1b8f99a7f2b7ff37c18f75ae
PDF
Publication pageba9e0aeceb3b4477d6e465a67190d642f78a73d9ea949b76bd360f0b2fa76c11
Manifest35288f81017ba4951969b55db5523be42f51e31886d3ccc60e70a8d75f9fd6d2

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
SignaturecswBuyn6mQ+9CIccJU8nHIxOTOIJ5/cjQYCJ2y7e3GgCGFeCglNcKiKJ4z++T5+mshjo5uUCRRzFgeDNxUqiDg==
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

2026-09-17T11:09:21.740976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045592
observed ba9e0aeceb3b4477d6e465a67190d642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:21.721010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045592/manifest.json
observed 35288f81017ba4951969b55db5523be4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:21.701000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045592/publication.md
observed 52d4d74246d5f907b1443427811c67e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:21.681912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045592/publication.txt
observed 26efae26016346f33bcdabc16f091f78...
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.