OpenTechnical

OT-2026-000059496

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000059496) never changes.

Identity and time

Publication numberOT-2026-000059496 · never reused
Internal UUID01a0ae89-8619-7be0-a80e-93bd4d8e9c60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059496
StatusPUBLIC

Content hashes

Canonical textefcd3293221cb4b03b656da799df4e916046dfe8a73637f1e1b2063b3f80d901
Markdownd3326177faa6a6cd5bc9979a7942948b18828bf5663809a2c5b56fc6b0e63d1a
PDF
Publication page9f488c815df4dd566916cdde372aef1bd7d1e52875c6b083c3b9c0d6f8b0ff08
Manifestd0500d33dbe090fac979abbf4f889b2e607e874ef5fbfcce12508246ef61dd93

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
Signature08eugQbNF2hIzaF84JbxNFHvlCPIrygwbRJ49/39Bwr4DEjwK3Ou+LxOm2g0W0+di6mc42Cwg7n9499x0o5YDA==
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

2026-09-17T10:46:12.329985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059496
observed 9f488c815df4dd566916cdde372aef1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:12.309724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059496/manifest.json
observed d0500d33dbe090fac979abbf4f889b2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:12.291381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059496/publication.md
observed d3326177faa6a6cd5bc9979a7942948b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:12.273866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059496/publication.txt
observed efcd3293221cb4b03b656da799df4e91...
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.