Pith Number

pith:VCMKPJV6

pith:2019:VCMKPJV64HBFEDATAEYD7TDWGE

not attested not anchored not stored refs pending

Studying the Evolution of Warm Dust Encircling BD +20 307 Using SOFIA

Alycia J. Weinberger, Christopher Stark, Jessica A. Arnold, Luke Keller, Maggie A. Thompson

arxiv:1903.03041 v1 · 2019-03-07 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VCMKPJV64HBFEDATAEYD7TDWGE}

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	2026-05-17T23:48:30.046931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a898a7a6bee1c2520c1301303fcc763137f58ab92c0abc2b6e769b7f32b3dfbe

Aliases

arxiv: 1903.03041 · arxiv_version: 1903.03041v1 · doi: 10.48550/arxiv.1903.03041 · pith_short_12: VCMKPJV64HBF · pith_short_16: VCMKPJV64HBFEDAT · pith_short_8: VCMKPJV6

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/VCMKPJV64HBFEDATAEYD7TDWGE \
  | 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: a898a7a6bee1c2520c1301303fcc763137f58ab92c0abc2b6e769b7f32b3dfbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "219bd58ac97502acb8a07d1a4791e66a772dae77c8254de89aec603875c6734d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-03-07T16:58:35Z",
    "title_canon_sha256": "fa17de4c975e96d4322e39d89c9ccc39e1db0d5bf75bf29bb423d12541a81def"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03041",
    "kind": "arxiv",
    "version": 1
  }
}