OpenTechnical

OT-2026-000055543

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000055543) never changes.

Identity and time

Publication numberOT-2026-000055543 · never reused
Internal UUID01a0ae86-a102-765a-8e2a-0444fa34c133 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055543
StatusPUBLIC

Content hashes

Canonical text69741a0b6ebd5e9fba7e7bb5fe7b634d4459c51421dbe1502c38e351d701c66d
Markdown60ad6c18afdebaec0cc514b7e76a23ae4b74beebd69ff1ad3a3e061a62f4d98f
PDF
Publication page86ba1be4bbf0fb4c21ffd2356c78677487967dfb534e101a2fef96f145c3136e
Manifestb239f20091980676a25eff8145a16f8cd0928e00e486c22abc0fb08deba34b37

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
SignatureKr6SdDjxZnYUG9kJzXuaieDHU4AxRoWS+1QljZG9uN0AQnbPx7f8W11Esgw7fcc/ptM0/Rwd+Jn9/K5Bf1B+AQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:45.644874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055543
observed 86ba1be4bbf0fb4c21ffd2356c786774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:45.628499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055543/manifest.json
observed b239f20091980676a25eff8145a16f8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:45.610772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055543/publication.md
observed 60ad6c18afdebaec0cc514b7e76a23ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:45.578988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055543/publication.txt
observed 69741a0b6ebd5e9fba7e7bb5fe7b634d...
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.