OpenTechnical

OT-2026-000063508

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000063508) never changes.

Identity and time

Publication numberOT-2026-000063508 · never reused
Internal UUID01a0ae8c-f945-7e59-9666-705b4702a662 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063508
StatusPUBLIC

Content hashes

Canonical textc7a0277eadad92885b5943cd4124064cc1fca080becef2706deba00727fc6f4f
Markdownfda063dd03316d8ff1e70bffe7b9be3286abdbbabb07f370c48e853542490b80
PDF
Publication page20713f4a19bfd7c91046a3c8702aeecca2de738b6ef94972ad2081513ce50413
Manifest9490eb16a68e23d062880b2b1d8c3010486cf7af3eaa849c5f914b1b27152fec

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
SignaturedjgPuuNZKIpeRrupGrz81B4BGHH1+dyUj6VJbHd4KauoGQ30oIxEMvRZQQldb64uQp0tBMDn1qlPnbBinWKtBQ==
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

2026-09-17T10:37:29.479228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063508
observed 20713f4a19bfd7c91046a3c8702aeecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:29.461535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063508/manifest.json
observed 9490eb16a68e23d062880b2b1d8c3010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:29.414955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063508/publication.md
observed fda063dd03316d8ff1e70bffe7b9be32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:29.368593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063508/publication.txt
observed c7a0277eadad92885b5943cd4124064c...
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.