OpenTechnical

OT-2026-000005854

Publication integrity record

Vacuum cup gripper, two outlet manifold, ejector fed, pressure verified

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-2026-000005854) never changes.

Identity and time

Publication numberOT-2026-000005854 · never reused
Internal UUID01a0a947-1991-7000-9a2c-604c632dec96 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:13:24.243550Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005854
StatusPUBLIC

Content hashes

Canonical text82e1012cceed1ed09fc37d612df75df2dc7bc919550f746e6efc587427a8d172
Markdown63db00ed70221d3a0df282263d0074be2b0c436353e5e313466acba163520a1c
PDF
Publication page2404414a6f51594d7398c057910892933d892649ace38e74babbd0acbe2b53bb
Manifest8b85386902edce0bd635796a08497a5036857ac2403cb9221e28c50492c068aa

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
SignatureODspm2T33Wi9QWJKek5KeJaw03bgCm+/9pE1qlzSVRtwnPjqH2DwjjHsJl5i87I0vzmKh7FCYWYbYTMouMQiAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:25.182298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005854
observed 2404414a6f51594d7398c05791089293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:25.168323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005854/manifest.json
observed 8b85386902edce0bd635796a08497a50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:25.155108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005854/publication.md
observed 63db00ed70221d3a0df282263d0074be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:25.140961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005854/publication.txt
observed 82e1012cceed1ed09fc37d612df75df2...
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.