OpenTechnical

OT-2026-000025573

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000025573) never changes.

Identity and time

Publication numberOT-2026-000025573 · never reused
Internal UUID01a0ae71-5fa8-7fa2-a8db-286f7c08d109 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025573
StatusPUBLIC

Content hashes

Canonical text92e114890bdab12f48dc75d0c9a065c8a635048c386db8eb307c59ae756e05ad
Markdown308ab40015f9248e9ab35a1700ebf2cdb9fd39043dac55b693d421cf6a8286c3
PDF
Publication page2c86950288bda14b89f293fd8b0701f816c22ffc8717289b43e5105618089cb3
Manifeste00e9bc633274847e68c553c3f5f201188ff88915e7202f8ae1da056c6e1318c

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
SignatureOaegtL1vIOXa/o50ec8X5HBrbuRoazbZhKA3U4phNf/VIRYSGgpUsfdoCM0MBVsmPUDCvubZ3KwPOkQuLF16DA==
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

2026-09-17T11:47:44.098188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025573
observed 2c86950288bda14b89f293fd8b0701f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:44.080836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025573/manifest.json
observed e00e9bc633274847e68c553c3f5f2011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:44.061337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025573/publication.md
observed 308ab40015f9248e9ab35a1700ebf2cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:44.042138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025573/publication.txt
observed 92e114890bdab12f48dc75d0c9a065c8...
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.