OpenTechnical

OT-2026-000044557

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000044557) never changes.

Identity and time

Publication numberOT-2026-000044557 · never reused
Internal UUID01a0ae7c-39d9-76bf-b76a-109dffbbc839 · 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-2026-000044557
StatusPUBLIC

Content hashes

Canonical text901fde44ecbd886296da122e9c56a44777369bb77243d71a5ca414b070027d8c
Markdown96fdfa7d6078c46a7d58fd4f0a7ffb1c5924d82b1a62db6f42fa875807edf410
PDF
Publication page63ac1d37e11e877d16e03dbb057bdba10f19a86339502217cb54bbe6a1c8f767
Manifest06427dbc3839e547404f9db28f0932b3a7f77d7be3835a9ad1e31c21b0c4afb5

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
SignatureX8NEcp9Yf0QyyVvfEyw5E6zG38TA3zomzPVoGKFWJMnGtctm1/C7KugRBI/2cn95iL0A/GH4KAY6NA/TBWfSAA==
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

2026-09-17T11:11:44.869994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044557
observed 63ac1d37e11e877d16e03dbb057bdba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.850186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044557/manifest.json
observed 06427dbc3839e547404f9db28f0932b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.830166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044557/publication.md
observed 96fdfa7d6078c46a7d58fd4f0a7ffb1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.808075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044557/publication.txt
observed 901fde44ecbd886296da122e9c56a447...
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.