Pith Number

pith:PW36RWY2

pith:2012:PW36RWY2F2NFBNOBXGAHA2FJJX

not attested not anchored not stored refs pending

An active region filament studied simultaneously in the chromosphere and photosphere. II. Doppler velocities

2), (2) Departamento de Astrofisica, (3) High Altitude Observatory (NCAR), Boulder, C. Kuckein (1, CO, La Laguna, R. Centeno (3) ((1) Instituto de Astrofisica de Canarias, Spain, Tenerife, Universidad de La Laguna, USA), V. Martinez Pillet (1)

arxiv:1204.5090 v2 · 2012-04-23 · 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	2026-05-18T03:02:43.906128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7db7e8db1a2e9a50b5c1b9807068a94df5e418b9cbc521afd1de14be283300c9

Aliases

arxiv: 1204.5090 · arxiv_version: 1204.5090v2 · doi: 10.48550/arxiv.1204.5090 · pith_short_12: PW36RWY2F2NF · pith_short_16: PW36RWY2F2NFBNOB · pith_short_8: PW36RWY2

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/PW36RWY2F2NFBNOBXGAHA2FJJX \
  | 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: 7db7e8db1a2e9a50b5c1b9807068a94df5e418b9cbc521afd1de14be283300c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a1a0495b5e61944b05501a2db229aa57403b47276e317c9e0aebb2f065a7315",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-04-23T15:58:02Z",
    "title_canon_sha256": "866040f2043be982468c4811d505cee36cfae74ad224b653ca9efb50be5bc235"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5090",
    "kind": "arxiv",
    "version": 2
  }
}