OpenTechnical

OT-2026-000052588

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000052588) never changes.

Identity and time

Publication numberOT-2026-000052588 · never reused
Internal UUID01a0ae84-573b-70ad-9b5f-c5775f2ce499 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052588
StatusPUBLIC

Content hashes

Canonical text27183430a2849582d6c262ccbb24cb6fc6c3b79af9a4ff457d95001b8e00af55
Markdowndc8da7cc8f50f34f0e5126fb20c4aff0f51b56beed2fd01db5052a5922a87fe9
PDF
Publication page85a6070077d8d507abb0b12b744d3d50372dcde9c73bc7e49bb043cef5b40cac
Manifest7631c3f272e53d9d3a1afa66a811b9ba3c166ef5e0e42fb79ac6cf6582ecd158

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
SignaturekRcRML+2J07p/dFQU1sb3LiWLSJ2ZtG+tVsMkYZ18WW8SkTwR9p/Pd4C2y8UCtyBxE57f7hiL4hmlBIRcw4EBw==
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

2026-09-17T10:57:15.149552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052588
observed 85a6070077d8d507abb0b12b744d3d50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:15.132019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052588/manifest.json
observed 7631c3f272e53d9d3a1afa66a811b9ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:15.113354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052588/publication.md
observed dc8da7cc8f50f34f0e5126fb20c4aff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:15.095943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052588/publication.txt
observed 27183430a2849582d6c262ccbb24cb6f...
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.