OpenTechnical

OT-2026-000044552

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000044552) never changes.

Identity and time

Publication numberOT-2026-000044552 · never reused
Internal UUID01a0ae7c-39d9-7618-874b-3448582bd297 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044552
StatusPUBLIC

Content hashes

Canonical text9428392923720baa3af239b68226b41ec04c0f77dbf1454ebd64794835d25ef0
Markdown527d35c95162e56c6e0f982fab39bb227c50ef1b895f80851d7a6922dbd61b65
PDF
Publication pagefeffc84c303e2bb48b5f402ff2babd5dbb9514687c869186597926c7c7a3c0a4
Manifestd22d65496aecd3d988ddf2b60bda175adf0bffb9a62eeed4571d64f53b622eea

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
SignatureGuy7M8amThcQMq4G8MEvjgQQxE8sCvm114DgwnNM/5qOMRcvkv4xE04oJPGYTG6ZHC3Y0IhLhPonsO+5esD2Bg==
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

2026-09-17T11:11:44.475611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044552
observed feffc84c303e2bb48b5f402ff2babd5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.456797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044552/manifest.json
observed d22d65496aecd3d988ddf2b60bda175a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.436432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044552/publication.md
observed 527d35c95162e56c6e0f982fab39bb22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.419318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044552/publication.txt
observed 9428392923720baa3af239b68226b41e...
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.