Pith Number

pith:PKTOIPC4

pith:2011:PKTOIPC4UKA7CHTIOWMLNCGU7K

not attested not anchored not stored refs pending

The dynamics and environmental impact of 3C452

D. L. Shelton, J. H. Croston, M. J. Hardcastle

arxiv:1108.3753 v1 · 2011-08-18 · astro-ph.CO

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	2026-05-18T02:00:50.877426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7aa6e43c5ca281f11e687598b688d4fa99a39a63444f5aafa31a5ed81e511853

Aliases

arxiv: 1108.3753 · arxiv_version: 1108.3753v1 · doi: 10.48550/arxiv.1108.3753 · pith_short_12: PKTOIPC4UKA7 · pith_short_16: PKTOIPC4UKA7CHTI · pith_short_8: PKTOIPC4

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/PKTOIPC4UKA7CHTIOWMLNCGU7K \
  | 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: 7aa6e43c5ca281f11e687598b688d4fa99a39a63444f5aafa31a5ed81e511853

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1eba33904b64b64f4ce140afe204b27de541fa20458e02b06e2f73c2fb2b580c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-18T13:59:17Z",
    "title_canon_sha256": "983d6ab379181b20a89e44712e9851455ff6261e52aaacafafadd76879d0823e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3753",
    "kind": "arxiv",
    "version": 1
  }
}