OpenTechnical

OT-2026-000050054

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000050054) never changes.

Identity and time

Publication numberOT-2026-000050054 · never reused
Internal UUID01a0ae81-fd78-7c95-a017-ab65883862ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050054
StatusPUBLIC

Content hashes

Canonical textd4d24b7f20eca13d43ae0a4e5b3def5bfe3a4f026ad1f9fe6c34211a77248b7e
Markdownf77a5b0e1c7220266c5e022d3c283a81e84597ffd87c97af9516e60cf5f4040e
PDF
Publication page71a103f538194d6edaab827b1596fa4eb128d4c5c53e29078b6886eafce8df6e
Manifestf7d4bca42ff95707e639a567b4de7360bebeff8e9bc3daa1db75cd2e564bb93b

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
SignaturehikKcw2TlU/d0yV/Ha9XbhvrhTsjWe6RuofQdgV+xwKRtfhwQavycMuDq6c/1dbA9mup1S86ez8bDzB+cn0VDw==
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

2026-09-17T11:02:02.132880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050054
observed 71a103f538194d6edaab827b1596fa4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:02.115344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050054/manifest.json
observed f7d4bca42ff95707e639a567b4de7360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:02.096145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050054/publication.md
observed f77a5b0e1c7220266c5e022d3c283a81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:02.078369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050054/publication.txt
observed d4d24b7f20eca13d43ae0a4e5b3def5b...
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.