Pith Number

pith:FND26D6R

pith:2011:FND26D6RRAIJF4FQK74CDIJWQW

not attested not anchored not stored refs pending

Candidate carriers and synthetic spectra of the 21- and 30-mu protoplanetary nebular bands

Renaud Papoular

arxiv:1104.4440 v1 · 2011-04-22 · 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{FND26D6RRAIJF4FQK74CDIJWQW}

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	2026-05-18T02:02:16.238364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b47af0fd1881092f0b057f821a13685a2722185ae237ac638854dac71f0c34d

Aliases

arxiv: 1104.4440 · arxiv_version: 1104.4440v1 · doi: 10.48550/arxiv.1104.4440 · pith_short_12: FND26D6RRAIJ · pith_short_16: FND26D6RRAIJF4FQ · pith_short_8: FND26D6R

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/FND26D6RRAIJF4FQK74CDIJWQW \
  | 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: 2b47af0fd1881092f0b057f821a13685a2722185ae237ac638854dac71f0c34d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fffe0e489ae34a7ff1fb82aa0fd05a052a11b4d2d61ceb57ed250bfd3811c4b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-04-22T13:45:29Z",
    "title_canon_sha256": "aa5dedd150b06e16581008ea70353e3ab3fa07db85da6708e7e533bdbb26b153"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4440",
    "kind": "arxiv",
    "version": 1
  }
}