OpenTechnical

OT-2026-000025884

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000025884) never changes.

Identity and time

Publication numberOT-2026-000025884 · never reused
Internal UUID01a0ae71-a83e-7bb7-a1be-1cab86788434 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025884
StatusPUBLIC

Content hashes

Canonical text75be4cc2d407cc69a9484bffaad51b6bf23cfccb6201ab0524421dda9283cb3b
Markdown4cdbf6e874e6abd1628a0e37ff4ed206609aeadd7fff1d099511308c755b6775
PDF
Publication page8dc66d6506b5e0e0941085a4eeb36ac8712f2654e2386bc258d8343a05fd495d
Manifesta460d0a09154e7724df43282e855998a12e2dbdb11f331df4303ad98c9890d64

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
Signature+8c1Ve4aSqwKk6zyqF1+1/hBEmE1OsYlICy+5hiNl2/dQ7+eSmjMDtMKxjT4HhzHoAmZvNGoJ41ANokDbbOqAA==
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

2026-09-17T11:46:13.482549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025884
observed 8dc66d6506b5e0e0941085a4eeb36ac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.465830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025884/manifest.json
observed a460d0a09154e7724df43282e855998a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.447936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025884/publication.md
observed 4cdbf6e874e6abd1628a0e37ff4ed206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.428184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025884/publication.txt
observed 75be4cc2d407cc69a9484bffaad51b6b...
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.