Pith Number

pith:U5LVVFJJ

pith:2013:U5LVVFJJ3HCEKCRPDFU6TNIEWB

not attested not anchored not stored refs pending

HI synthesis observations of the blue compact dwarf NGC 1705

E. C. Elson, R. C. Kraan-Korteweg, W. J. G. de Blok

arxiv:1301.2889 v1 · 2013-01-14 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U5LVVFJJ3HCEKCRPDFU6TNIEWB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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	2026-05-18T03:36:34.792372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7575a9529d9c4450a2f1969e9b504b054fa54674ff2f4bb0a157189125c7738

Aliases

arxiv: 1301.2889 · arxiv_version: 1301.2889v1 · doi: 10.48550/arxiv.1301.2889 · pith_short_12: U5LVVFJJ3HCE · pith_short_16: U5LVVFJJ3HCEKCRP · pith_short_8: U5LVVFJJ

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/U5LVVFJJ3HCEKCRPDFU6TNIEWB \
  | 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: a7575a9529d9c4450a2f1969e9b504b054fa54674ff2f4bb0a157189125c7738

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2754ee0e0d14dcdb1075ae784dddf8ae158d1d25d82ae1a91dbf0c64c57e1d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-14T09:01:05Z",
    "title_canon_sha256": "4aaeeabc470a6e3287c3acb0f5187bb237ff11d385974438e7ccb1f6c5f01cad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2889",
    "kind": "arxiv",
    "version": 1
  }
}