Pith Number

pith:FANA74BQ

pith:2016:FANA74BQ674DXXDAKOPDCRG3FX

not attested not anchored not stored refs pending

The evolutionary status of dense cores in the NGC 1333 IRAS 4 region

E. Koumpia, F.F.S. van der Tak, G.A. Fuller, J.J. Tobin, R. Plume, W. Kwon

arxiv:1608.07661 v1 · 2016-08-27 · 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{FANA74BQ674DXXDAKOPDCRG3FX}

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	2026-05-18T01:00:41.910308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

281a0ff030f7f83bdc60539e3144db2ddcb3aa5dcd0f83816fbd28133871104c

Aliases

arxiv: 1608.07661 · arxiv_version: 1608.07661v1 · doi: 10.48550/arxiv.1608.07661 · pith_short_12: FANA74BQ674D · pith_short_16: FANA74BQ674DXXDA · pith_short_8: FANA74BQ

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/FANA74BQ674DXXDAKOPDCRG3FX \
  | 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: 281a0ff030f7f83bdc60539e3144db2ddcb3aa5dcd0f83816fbd28133871104c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c95374ce4a81467ba3889b0a80457bdf981b947847b5e4a78a351f7bc1e4603",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-08-27T05:07:47Z",
    "title_canon_sha256": "657283a56cffb881ceb44500442fad05520d706f24bee20e2d2856e05e95baab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.07661",
    "kind": "arxiv",
    "version": 1
  }
}