Pith Number

pith:AJCYT7QR

pith:2011:AJCYT7QRGBGBNLGALIAGR2OLZP

not attested not anchored not stored refs pending

Gas and dust in the BCD galaxy VII Zw 403 (UGC 6456)

O. V. Egorov, T. A. Lozinskaya

arxiv:1107.2857 v1 · 2011-07-14 · 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{AJCYT7QRGBGBNLGALIAGR2OLZP}

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	2026-05-18T02:01:16.907641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

024589fe11304c16acc05a0068e9cbcbfb09315ea2a9c7a5d2e16bd0b73fa2b7

Aliases

arxiv: 1107.2857 · arxiv_version: 1107.2857v1 · doi: 10.48550/arxiv.1107.2857 · pith_short_12: AJCYT7QRGBGB · pith_short_16: AJCYT7QRGBGBNLGA · pith_short_8: AJCYT7QR

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/AJCYT7QRGBGBNLGALIAGR2OLZP \
  | 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: 024589fe11304c16acc05a0068e9cbcbfb09315ea2a9c7a5d2e16bd0b73fa2b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8db222f24959462a95b2f98edd63309cf046f1ccf58f7b38adabf9e498a4d632",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-14T15:43:40Z",
    "title_canon_sha256": "f9dc0152fa248d428a4dc1b75a0b22258f4d3b061780fb5a2053dfcda287d274"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2857",
    "kind": "arxiv",
    "version": 1
  }
}