OpenTechnical

OT-2026-000031974

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000031974) never changes.

Identity and time

Publication numberOT-2026-000031974 · never reused
Internal UUID01a0ae74-bad2-7fd8-9834-771b598f79e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031974
StatusPUBLIC

Content hashes

Canonical textf47482a29e10ff2736282191d23aa7d8e80e90ae545db1a3155f0e09b34422d6
Markdown4722a2c6f7280e9cf5f31eb2dcaff194212b8e56aa89870029ba8663c7047d8a
PDF
Publication page389eea3ec7bb19c7e8f72a71c60fb413d515681f91e411ae380cc99ddbd41c8f
Manifest0b0cfef93e6adee622ec8728a6653ad344d2f23ac6043b42788d0911d2a2d01f

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
SignatureXRemxIZTs1JT6mcBtMnUy38bf0HES7SX0Ksj3yLSi/emsGtvoV5TueiMszVJ1iXGfs8FZggUDD0MS4O34nqSCQ==
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

2026-09-17T11:35:16.151987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031974
observed 389eea3ec7bb19c7e8f72a71c60fb413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:16.133897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031974/manifest.json
observed 0b0cfef93e6adee622ec8728a6653ad3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:16.115934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031974/publication.md
observed 4722a2c6f7280e9cf5f31eb2dcaff194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:16.093048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031974/publication.txt
observed f47482a29e10ff2736282191d23aa7d8...
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.