Pith Number

pith:DBON5GX2

pith:2004:DBON5GX26H6TKLJ6QCQLRKXUBQ

not attested not anchored not stored refs pending

GPS radio occultation with GRACE: Atmospheric profiling utilizing the zero difference technique

Ch. Reigber, G. Beyerle, G. Michalak, J. Wickert, S. Heise, T. Schmidt

arxiv:physics/0409032 v4 · 2004-09-04 · physics.geo-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DBON5GX26H6TKLJ6QCQLRKXUBQ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:38:08.261810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

185cde9afaf1fd352d3e80a0b8aaf40c28f6b7c09b6afbdf338726dfdd4d59ff

Aliases

arxiv: physics/0409032 · arxiv_version: physics/0409032v4 · doi: 10.48550/arxiv.physics/0409032 · pith_short_12: DBON5GX26H6T · pith_short_16: DBON5GX26H6TKLJ6 · pith_short_8: DBON5GX2

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/DBON5GX26H6TKLJ6QCQLRKXUBQ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 185cde9afaf1fd352d3e80a0b8aaf40c28f6b7c09b6afbdf338726dfdd4d59ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ce7ece6a1fdeb891a32aac804a1b8aafbfbcb40f827671cc32c78467148ec17",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2004-09-04T12:14:20Z",
    "title_canon_sha256": "09d91643f392f3a634cdb97a698adf46fb231cf73ba1b8b3e8bb0307520da18d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0409032",
    "kind": "arxiv",
    "version": 4
  }
}