OpenTechnical

OT-2026-000034456

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000034456) never changes.

Identity and time

Publication numberOT-2026-000034456 · never reused
Internal UUID01a0ae76-1ed0-7d33-83d3-b5847caef549 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034456
StatusPUBLIC

Content hashes

Canonical text6329c4da7891b97e698e80530367c8a8fe0fe920a808a5d4589aa3cf5c8fe1dd
Markdown6aefd5cc22fb898537ab164230831aef35d18f3f194bd9ec8a18627d00a16c4e
PDF
Publication page7a481f90eea93d9eb925fe721ba23843531601369f170df9083aa85d3ee49336
Manifest1d0c7ca76dc1b8e58f54208774f3447817b5f1478945594c3f48e4ff7c95cafa

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
SignatureojrZe9KR5uYM176vf9JC6Bv+dVH+MnSRU/9h59dSXia6fSHHB3tqZQzDje0/rlp3NryG1mXLIBtbflRAySU8Dw==
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

2026-09-17T11:28:46.791146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034456
observed 7a481f90eea93d9eb925fe721ba23843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:46.773968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034456/manifest.json
observed 1d0c7ca76dc1b8e58f54208774f34478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:46.757827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034456/publication.md
observed 6aefd5cc22fb898537ab164230831aef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:46.741284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034456/publication.txt
observed 6329c4da7891b97e698e80530367c8a8...
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.