OpenTechnical

OT-2026-000061125

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, vented 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-2026-000061125) never changes.

Identity and time

Publication numberOT-2026-000061125 · never reused
Internal UUID01a0ae8b-137e-7967-9a7f-ce24e8d51c63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061125
StatusPUBLIC

Content hashes

Canonical text9a89338ae9fe300d04c08c62a8a683322221667db0c9d4943b61e16c9ef4e91b
Markdown821e34c5aeaefe34d34a0daa820ce5a19dc664d108907e4f622d8330b1f8f1a8
PDF
Publication page863659367538b660fe32dab1409a379033508d12571b5f790a39050b3e1961c3
Manifest089cfe45426fa7da2d44a87c93e9888562b9e242193dac6fec59b2c8a2e64c4b

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
SignatureX+twybXTQKTzNW7FtJ7+UsHUWsDlNnuFpNkvMHgMAmApu7321xRfcyJNNME5OByijMU+B1Wc1C+TdmEmj7rDAw==
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...

Independent retrieval

2026-09-17T10:42:30.046986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061125
observed 863659367538b660fe32dab1409a3790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:30.025495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061125/manifest.json
observed 089cfe45426fa7da2d44a87c93e98885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:30.007186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061125/publication.md
observed 821e34c5aeaefe34d34a0daa820ce5a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:29.987430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061125/publication.txt
observed 9a89338ae9fe300d04c08c62a8a68332...
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.