Pith Number

pith:HPOLP5UG

pith:2014:HPOLP5UGJKR7W6VWUXBVTWGE3A

not attested not anchored not stored refs pending

Mars Express measurements of surface albedo changes over 2004 - 2010

Anouck Ody, Francesca Altieri, Joachim Audouard, Mathieu Vincendon

arxiv:1407.2831 v2 · 2014-07-10 · 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{HPOLP5UGJKR7W6VWUXBVTWGE3A}

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	2026-05-18T02:25:18.838596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bdcb7f6864aa3fb7ab6a5c359d8c4d8376facc8140df218baa25e6db92569c4

Aliases

arxiv: 1407.2831 · arxiv_version: 1407.2831v2 · doi: 10.48550/arxiv.1407.2831 · pith_short_12: HPOLP5UGJKR7 · pith_short_16: HPOLP5UGJKR7W6VW · pith_short_8: HPOLP5UG

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/HPOLP5UGJKR7W6VWUXBVTWGE3A \
  | 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: 3bdcb7f6864aa3fb7ab6a5c359d8c4d8376facc8140df218baa25e6db92569c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2c95f5c5464ff388d5fef8bcfef66e0306515dcf930b8dc8d8b145f9b567a1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-07-10T15:40:57Z",
    "title_canon_sha256": "6375697388e3a6c131f1cd299088075d91032d97136b297e9d2a556aa8ebea51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2831",
    "kind": "arxiv",
    "version": 2
  }
}