OpenTechnical

OT-2026-000043074

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000043074) never changes.

Identity and time

Publication numberOT-2026-000043074 · never reused
Internal UUID01a0ae7b-3278-7602-82f2-e87bd4a5e278 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043074
StatusPUBLIC

Content hashes

Canonical text122b4dd08f1a4d54cc50e08e9f66f5a55f8223438bdd210781c8e59258e3d559
Markdown1fe1bc444bfd5ec506d632ee14c8ad00b284bbe46741061d95cade1f9cf47ef7
PDF
Publication pageba17103893298d0cf951e5f2572901a4aa5e636e1d93548529d95b9156e8c4f2
Manifest7485b62e5a7886b6175cffbef625b78b30c1f5764005e44161af5bd7a30d55ed

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
SignatureVvS19PR8EtVabDU+rFodxF2RLdxQywwofqvcppp2PbzahEreKkhNQa8IJmLNVFcFGEr3rxrfskIVAUHzUysdAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:29.335954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043074
observed ba17103893298d0cf951e5f2572901a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:29.317326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043074/manifest.json
observed 7485b62e5a7886b6175cffbef625b78b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:29.297102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043074/publication.md
observed 1fe1bc444bfd5ec506d632ee14c8ad00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:29.277277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043074/publication.txt
observed 122b4dd08f1a4d54cc50e08e9f66f5a5...
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.