Pith Number

pith:QEMARGHJ

pith:2015:QEMARGHJPJNMFULBU2GFUBUEBP

not attested not anchored not stored refs pending

Grain size limits derived from 3.6 {\mu}m and 4.5 {\mu}m coreshine

A. Bacmann, A. Noriega-Crespo, C. Lef\`evre, J. Steinacker, L. Pagani, M. Andersen, M. Juvela, R. Paladini, Th. Henning, V.-M. Pelkonen, W.-F. Thi

arxiv:1508.04691 v1 · 2015-08-17 · 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{QEMARGHJPJNMFULBU2GFUBUEBP}

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	2026-05-18T01:29:45.004511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81180898e97a5ac2d161a68c5a06840be67fee340162453116fc07e961eb7ff5

Aliases

arxiv: 1508.04691 · arxiv_version: 1508.04691v1 · doi: 10.48550/arxiv.1508.04691 · pith_short_12: QEMARGHJPJNM · pith_short_16: QEMARGHJPJNMFULB · pith_short_8: QEMARGHJ

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/QEMARGHJPJNMFULBU2GFUBUEBP \
  | 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: 81180898e97a5ac2d161a68c5a06840be67fee340162453116fc07e961eb7ff5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34e7bcdf9f71998fb56d0481b4556faf98bffd00c738312a1b88b3f2c2c92a8e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-08-17T20:15:27Z",
    "title_canon_sha256": "3ad3581df6dbd59e32c07877151b9755dcd838b752841012a40dd09d35b5a19d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04691",
    "kind": "arxiv",
    "version": 1
  }
}