Pith Number

pith:C2SB2PEN

pith:2010:C2SB2PENH22H3PKT4A6Y4WAFSD

not attested not anchored not stored refs pending

Multi-Zone warm and cold clumpy absorbers in 3 Seyfert galaxies

C. Ricci, M. Audard, T.J.-L. Courvoisier, V. Beckmann

arxiv:1005.1595 v1 · 2010-05-10 · astro-ph.CO · astro-ph.HE

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	2026-05-18T02:07:34.737063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16a41d3c8d3eb47dbd53e03d8e580590ce060dae2cb54670ebf82939d87e348c

Aliases

arxiv: 1005.1595 · arxiv_version: 1005.1595v1 · doi: 10.48550/arxiv.1005.1595 · pith_short_12: C2SB2PENH22H · pith_short_16: C2SB2PENH22H3PKT · pith_short_8: C2SB2PEN

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/C2SB2PENH22H3PKT4A6Y4WAFSD \
  | 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: 16a41d3c8d3eb47dbd53e03d8e580590ce060dae2cb54670ebf82939d87e348c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9aa556a8478aba202306c2d3d3d4d3f7c802972b5d97ab908baea6b259a75c4b",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-05-10T15:47:33Z",
    "title_canon_sha256": "e44eb86b2a16880c31bebf3531c04aed099652c24eb93bb8fc34e5843fff7640"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1595",
    "kind": "arxiv",
    "version": 1
  }
}