OpenTechnical

OT-2026-000049746

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three 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-2026-000049746) never changes.

Identity and time

Publication numberOT-2026-000049746 · never reused
Internal UUID01a0ae81-8fef-719b-9931-6e0cb8a1b790 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049746
StatusPUBLIC

Content hashes

Canonical text57be4dae05f53e680b2ffca26bbfdd62f5e504e4dab6d7a339c72c64f5ff56e5
Markdownfffe90b2a6941b4d0d110805d84e594936048fb9c25039ae7ead79d3a44e922f
PDF
Publication page2491fdec92a68e3bc751136fce12069cc6a2132459e86c6753aaaa6c6d49a687
Manifest9f761ba36eadbff931fb3619e91fc66c08a61a7fcff45d21b585c0c2dbbff5f7

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
Signatureba1FrnuJk5LMnQOcwLCCCJy+/t0MbNL6SEBL95R4rHQvCY5DEihmFDuVvBvUpSRW4HC6QnAHzCX58EVjnd+sDg==
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

2026-09-17T11:02:46.472607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049746
observed 2491fdec92a68e3bc751136fce12069c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.454111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049746/manifest.json
observed 9f761ba36eadbff931fb3619e91fc66c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.434463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049746/publication.md
observed fffe90b2a6941b4d0d110805d84e5949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.416489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049746/publication.txt
observed 57be4dae05f53e680b2ffca26bbfdd62...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent