OpenTechnical

OT-2026-000049069

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000049069) never changes.

Identity and time

Publication numberOT-2026-000049069 · never reused
Internal UUID01a0ae81-134d-755a-990c-18f4e606d310 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049069
StatusPUBLIC

Content hashes

Canonical text96df3a8cb0ea04d9fda08af0e787c11d9a1cc816da468ed866f2d0533a9c5630
Markdowndc90eeecd85998aa52c39cea30140c2c80b8789f4f8577a295353829edfb6fd2
PDF
Publication pagee05f9dc64f14fd13f0f54bba1a2174940acbc0ac339981e8008e5165de2def99
Manifest0051b4a1553e23836951deed352be9a774c1a9be5379ed6f3403a2df2c73ec6e

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
SignatureTM7U4YHBPsmaeumbWuVCIaK9B9oBPU2mDHJvBvCJCdLjUeX+fyadRIPU+rooxDTDQD/O5dIAb8WpIB/G60gpAw==
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

2026-09-17T11:03:18.385440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049069
observed e05f9dc64f14fd13f0f54bba1a217494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:18.366064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049069/manifest.json
observed 0051b4a1553e23836951deed352be9a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:18.345252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049069/publication.md
observed dc90eeecd85998aa52c39cea30140c2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:18.277479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049069/publication.txt
observed 96df3a8cb0ea04d9fda08af0e787c11d...
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.