Pith Number

pith:V77BH4KR

pith:2016:V77BH4KR3DGPD54VV6X57SUTBB

not attested not anchored not stored refs pending

An ALMA Search for Substructure, Fragmentation, and Hidden Protostars in Starless Cores in Chamaeleon I

Daniel Price, Doug Johnstone, H\'ector G. Arce, Jaime E. Pineda, James Di Francesco, John J. Tobin, Katherine I. Lee, Michael M. Dunham, Philip C. Myers, Sarah I. Sadavoy, Scott Schnee, Stella S. R. Offner, Tyler L. Bourke, Xuepeng Chen

arxiv:1604.04027 v1 · 2016-04-14 · 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{V77BH4KR3DGPD54VV6X57SUTBB}

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	2026-05-18T01:12:48.438817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

affe13f151d8ccf1f795afafdfca930866a15658ab249b7a4e4e93383fb9772b

Aliases

arxiv: 1604.04027 · arxiv_version: 1604.04027v1 · doi: 10.48550/arxiv.1604.04027 · pith_short_12: V77BH4KR3DGP · pith_short_16: V77BH4KR3DGPD54V · pith_short_8: V77BH4KR

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/V77BH4KR3DGPD54VV6X57SUTBB \
  | 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: affe13f151d8ccf1f795afafdfca930866a15658ab249b7a4e4e93383fb9772b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ceee9b5344fe5c253e8e52deb76d0eb1e21d40c16ca8b24f2ed2eba22e229afb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-04-14T03:43:22Z",
    "title_canon_sha256": "1a0a4fa65070e8d5e94803cfd150bc5e43ea9e992ca830e764961064af783813"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04027",
    "kind": "arxiv",
    "version": 1
  }
}