OpenTechnical

OT-2026-000005561

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, four outlet manifold, ejector fed, pressure verified

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-2026-000005561) never changes.

Identity and time

Publication numberOT-2026-000005561 · never reused
Internal UUID01a0a93d-3aed-7a1f-bfb6-e197261b6a06 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:02:37.426200Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005561
StatusPUBLIC

Content hashes

Canonical text5ce22ea52d31256ad64c9102dce5928e402b8eb7c13b8b8d1efe5ec61db69b78
Markdown127cd934879653ce80d19a8fce47c583b7912b99c4c756cf3c300e425cefd04f
PDF
Publication page2f5aa96be4eb3ef90b01ddd1a7729506b589f7fe93bff16a32c7cf33dbd99568
Manifest8120f3e701b5905355c004ba776d8c065ec3a09403b57b03c79e15dfcf260b00

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
SignaturejutD0w6goEk0B7a9p80gvSOXu0ewDaV11PotUVJT8xysiQyHpbBIoTOEebzr22GZQnTzrcdLBom1Polnl+eQCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:26.623084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005561
observed 2f5aa96be4eb3ef90b01ddd1a7729506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:26.482514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005561/manifest.json
observed 8120f3e701b5905355c004ba776d8c06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:26.465737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005561/publication.md
observed 127cd934879653ce80d19a8fce47c583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:26.452216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005561/publication.txt
observed 5ce22ea52d31256ad64c9102dce5928e...
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.