Pith Number

pith:ZFKPB34C

pith:2015:ZFKPB34C5NLVDFXYQE7Y6CWAOP

not attested not anchored not stored refs pending

A Sub-arcsecond Survey Toward Class 0 Protostars in Perseus: Searching for Signatures of Protostellar Disks

Claire J. Chandler (NRAO), David J. Wilner (CfA), Hsin-Fang Chiang (IfA), John J. Tobin (Leiden/NRAO), Laurent Loinard (UNAM), Leslie W. Looney (Illinois), Scott Schnee (NRAO), Tyler L. Bourke (SKA), Woojin Kwon (SRON), Xuepeng Chen (PMO)

arxiv:1503.05189 v1 · 2015-03-17 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZFKPB34C5NLVDFXYQE7Y6CWAOP}

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	2026-05-18T01:59:37.096848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c954f0ef82eb575196f8813f8f0ac073ea23cfd4b99da38bd17964041559f8d5

Aliases

arxiv: 1503.05189 · arxiv_version: 1503.05189v1 · doi: 10.48550/arxiv.1503.05189 · pith_short_12: ZFKPB34C5NLV · pith_short_16: ZFKPB34C5NLVDFXY · pith_short_8: ZFKPB34C

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/ZFKPB34C5NLVDFXYQE7Y6CWAOP \
  | 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: c954f0ef82eb575196f8813f8f0ac073ea23cfd4b99da38bd17964041559f8d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3400af7152e7f7867a74e54e7f8d9ee8b55e65f2bde30190b3545f136c1e9e92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-03-17T20:00:06Z",
    "title_canon_sha256": "5625993881905c406a1f686ff8cfbd137d8a8a0eb01460629eff0b7122bd55f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05189",
    "kind": "arxiv",
    "version": 1
  }
}