Pith Number

pith:MSISWBDO

pith:2014:MSISWBDOO53KAWFPFEUWWNOWIZ

not attested not anchored not stored refs pending

Lately Exposed Amorphous Water Ice on Comet 49P/Arend-Rigaux

Ahmedabad, A. Kalyaan, B. Sivaraman, India), S. Arora, S. Ganesh (Physical Research Laboratory, V. Venkataraman

arxiv:1409.4957 v3 · 2014-09-17 · 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	2026-05-18T01:26:49.175040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64912b046e7776a058af29296b35d6465a8a0b042e81fb1dd13c43968c598fce

Aliases

arxiv: 1409.4957 · arxiv_version: 1409.4957v3 · doi: 10.48550/arxiv.1409.4957 · pith_short_12: MSISWBDOO53K · pith_short_16: MSISWBDOO53KAWFP · pith_short_8: MSISWBDO

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/MSISWBDOO53KAWFPFEUWWNOWIZ \
  | 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: 64912b046e7776a058af29296b35d6465a8a0b042e81fb1dd13c43968c598fce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "812ca451bfbd59d3196b2cca548257a417e49e310c7445547f81d212b38c9985",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-09-17T11:50:49Z",
    "title_canon_sha256": "df9bd2691c55f0c513766baa5850338aed64a95fb0565310b27a40959789c9ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4957",
    "kind": "arxiv",
    "version": 3
  }
}