Pith Number

pith:ZB6S4HJ7

pith:2009:ZB6S4HJ7YVC6346AIOB7TTLICO

not attested not anchored not stored refs pending

An X-ray View of Star Formation in the Central 3 kpc of NGC 2403

Allyn F. Tennant, Douglas A. Swartz, Mihoko Yukita, Roberto Soria

arxiv:0912.5135 v1 · 2009-12-28 · 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{ZB6S4HJ7YVC6346AIOB7TTLICO}

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	2026-05-18T02:10:13.502062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c87d2e1d3fc545edf3c04383f9cd68138ef4f35f1db34dcfb21d7c1e68989449

Aliases

arxiv: 0912.5135 · arxiv_version: 0912.5135v1 · doi: 10.48550/arxiv.0912.5135 · pith_short_12: ZB6S4HJ7YVC6 · pith_short_16: ZB6S4HJ7YVC6346A · pith_short_8: ZB6S4HJ7

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/ZB6S4HJ7YVC6346AIOB7TTLICO \
  | 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: c87d2e1d3fc545edf3c04383f9cd68138ef4f35f1db34dcfb21d7c1e68989449

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f5815f3e4661b8d8ec290e913d9bcd6138be7303b682a3746da97083ad97fe7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-28T06:03:05Z",
    "title_canon_sha256": "f92060298aaa05c81dfadf8e01e313e25e8f799a3530fcfe386cae8394c14a21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.5135",
    "kind": "arxiv",
    "version": 1
  }
}