Pith Number

pith:CIOO4IID

pith:2012:CIOO4IIDNYSU4M2LK22ULMEWWD

not attested not anchored not stored refs pending

SMA and Spitzer Observations of Bok Glouble CB17: A Candidate First Hydrostatic Core?

(2) Harvard-Smithsonian Center for Astrophysics, (3) Max Planck Institute for Astronomy), Hector G. Arce (1), Markus Schmalzl (3), Michael M. Dunham (1), Qizhou Zhang (2), Ralf Launhardt (3), Thomas Henning (3) ((1) Yale Astronomy Department, Tyler L. Bourke (2), Xuepeng Chen (1)

arxiv:1203.5252 v1 · 2012-03-23 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CIOO4IIDNYSU4M2LK22ULMEWWD}

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	2026-05-18T01:58:04.000112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

121cee21036e254e334b56b545b096b0e4fe0cb04359618e97b52f14243c4722

Aliases

arxiv: 1203.5252 · arxiv_version: 1203.5252v1 · doi: 10.48550/arxiv.1203.5252 · pith_short_12: CIOO4IIDNYSU · pith_short_16: CIOO4IIDNYSU4M2L · pith_short_8: CIOO4IID

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/CIOO4IIDNYSU4M2LK22ULMEWWD \
  | 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: 121cee21036e254e334b56b545b096b0e4fe0cb04359618e97b52f14243c4722

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b32bdf1d4e2688c4a960d298215450be002481b196aa14b86300da9f794f39f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-03-23T14:26:30Z",
    "title_canon_sha256": "8ea695f4a11795c1d096640b1d994f4cc21091260c2444c55a49d07fb0538278"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5252",
    "kind": "arxiv",
    "version": 1
  }
}