Pith Number

pith:JFZSRV3F

pith:2011:JFZSRV3FOTAFRBJSFTF2XRYNQC

not attested not anchored not stored refs pending

Observatons of NGC 3077 Galaxy in Narrow Band [SII] and H_alpha Filters

B. Arbutina, D. Ilic, D. Urosevic, K. Stavrev, M. Andjelic

arxiv:1112.1322 v1 · 2011-12-06 · 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{JFZSRV3FOTAFRBJSFTF2XRYNQC}

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	2026-05-18T00:21:29.622938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

497328d76574c05885322ccbabc70d80939a4cb1fddbc97714602808b115b775

Aliases

arxiv: 1112.1322 · arxiv_version: 1112.1322v1 · doi: 10.48550/arxiv.1112.1322 · pith_short_12: JFZSRV3FOTAF · pith_short_16: JFZSRV3FOTAFRBJS · pith_short_8: JFZSRV3F

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/JFZSRV3FOTAFRBJSFTF2XRYNQC \
  | 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: 497328d76574c05885322ccbabc70d80939a4cb1fddbc97714602808b115b775

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d9c6b30d545275f40112a8bae95d2a4323c4177ae6022c40a07cdab6196ed70",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-12-06T15:51:23Z",
    "title_canon_sha256": "5860183780bd4c0878af1b44027d2b4c7a937bde50d87720fa0a97d6c81b3012"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1322",
    "kind": "arxiv",
    "version": 1
  }
}