OpenTechnical

OT-2026-000071645

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single 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-2026-000071645) never changes.

Identity and time

Publication numberOT-2026-000071645 · never reused
Internal UUID01a0ae92-1e90-7f1c-ad16-60b57d9f18d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071645
StatusPUBLIC

Content hashes

Canonical textad99b3dc35a40a1f67ab538869aed7467655dee2f468ca54711716c90d902094
Markdown8a2335e5c0b7b6f59920d9d3ac539a07f99332afb7586f3da66b3a2ac9c690a3
PDF
Publication pagef123d9c5196070d5e19e2a225453e4925c45652d2b6445d430dec49aefbc7d2a
Manifest2a60a2d787b0aa8cc7b39b70098106c3dac70b85d45d4a9b74823a33f8856867

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
SignaturespQ4uFg7anR+ykBR82Mdp3C2sLSVGega/c+A/TWRxrwt31nmTAadEL2UN8D6s9uFNIR0ELonAIil7vg3HXRqBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:40.714271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071645
observed f123d9c5196070d5e19e2a225453e492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:40.697813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071645/manifest.json
observed 2a60a2d787b0aa8cc7b39b70098106c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:40.682370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071645/publication.md
observed 8a2335e5c0b7b6f59920d9d3ac539a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:40.666917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071645/publication.txt
observed ad99b3dc35a40a1f67ab538869aed746...
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.