Pith Number

pith:SB2F2FQ3

pith:2009:SB2F2FQ3ENI6HP3F6S4KBA35IV

not attested not anchored not stored refs pending

Upflows in funnel-like legs of coronal magnetic loops

Eckart Marsch, Hui Tian, Jiansen He, Werner Curdt

arxiv:0909.0739 v1 · 2009-09-03 · astro-ph.SR

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

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	2026-05-18T02:34:36.531299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90745d161b2351e3bf65f4b8a0837d45770eea3983ee123b4cd4e247c26c681c

Aliases

arxiv: 0909.0739 · arxiv_version: 0909.0739v1 · doi: 10.48550/arxiv.0909.0739 · pith_short_12: SB2F2FQ3ENI6 · pith_short_16: SB2F2FQ3ENI6HP3F · pith_short_8: SB2F2FQ3

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/SB2F2FQ3ENI6HP3F6S4KBA35IV \
  | 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: 90745d161b2351e3bf65f4b8a0837d45770eea3983ee123b4cd4e247c26c681c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "182aae5e26af4b0743c36cf739039316f570359560011cdc36760b93c31134f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-03T19:36:06Z",
    "title_canon_sha256": "b1e27f44a4a1a40945d2ae565f7cc25908d4e4a9589dc995724391421036ef30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0739",
    "kind": "arxiv",
    "version": 1
  }
}