Pith Number

pith:B2PDELHS

pith:2015:B2PDELHSX6XXZLOTJTHB73L5AW

not attested not anchored not stored refs pending

Smoke in the Pipe Nebula: dust emission and grain growth in the starless core FeSt 1-457

Carlos Roman-Zu\~niga, Charles J. Lada, Jan Forbrich, Jo\~ao Alves, Marco Lombardi

arxiv:1505.06212 v1 · 2015-05-22 · 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{B2PDELHSX6XXZLOTJTHB73L5AW}

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	2026-05-18T01:35:09.807566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e9e322cf2bfaf7cadd34cce1fed7d058bb4d47374e34f08cc97d08c4915a3cf

Aliases

arxiv: 1505.06212 · arxiv_version: 1505.06212v1 · doi: 10.48550/arxiv.1505.06212 · pith_short_12: B2PDELHSX6XX · pith_short_16: B2PDELHSX6XXZLOT · pith_short_8: B2PDELHS

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/B2PDELHSX6XXZLOTJTHB73L5AW \
  | 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: 0e9e322cf2bfaf7cadd34cce1fed7d058bb4d47374e34f08cc97d08c4915a3cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f95bfa3311471632f5f93abcb9a7b97202ac74b6a9efca274c13a4d789dd6de4",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-05-22T20:01:46Z",
    "title_canon_sha256": "e603c9533871640f9e8335eaec0ec778fd6f8224776b05143797007a845a47dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06212",
    "kind": "arxiv",
    "version": 1
  }
}