Pith Number

pith:LDPXSTG6

pith:2013:LDPXSTG6WDH5X7VV7RB73IJ64G

not attested not anchored not stored refs pending

Beginning of activity in 67P/Churyumov-Gerasimenko and predictions for 2014/5

C. Snodgrass, C. Tubiana, D. M. Bramich, H. Boehnhardt, K. Meech, L. Barrera

arxiv:1307.7978 v1 · 2013-07-30 · astro-ph.EP

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	2026-05-18T01:48:32.874967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58df794cdeb0cfdbfeb5fc43fda13ee1ae8e713a93dd275166a12bdfb7d0de1c

Aliases

arxiv: 1307.7978 · arxiv_version: 1307.7978v1 · doi: 10.48550/arxiv.1307.7978 · pith_short_12: LDPXSTG6WDH5 · pith_short_16: LDPXSTG6WDH5X7VV · pith_short_8: LDPXSTG6

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/LDPXSTG6WDH5X7VV7RB73IJ64G \
  | 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: 58df794cdeb0cfdbfeb5fc43fda13ee1ae8e713a93dd275166a12bdfb7d0de1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3abaf529bfab0dce9ecc511f57ed0636bc3ac09948e60824cdf51e1c53564202",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-07-30T13:45:03Z",
    "title_canon_sha256": "16a6507b13c06a5f4dfbf7c17ec4d0f0d1f2b82065374c56d614ab8ad1f2ed30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7978",
    "kind": "arxiv",
    "version": 1
  }
}