Pith Number

pith:DSAHCHGU

pith:2012:DSAHCHGUC3UVWSTPVQY4DLGFQ5

not attested not anchored not stored refs pending

Characterizing the red optical sky background fluctuations from narrow-band imaging

F. Hammer, H. Flores, K. Disseau, M. Puech, M. Rodrigues, T. Gon\c{c}alves, Y.B. Yang

arxiv:1207.2472 v1 · 2012-07-10 · astro-ph.IM · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DSAHCHGUC3UVWSTPVQY4DLGFQ5}

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	2026-05-18T01:56:25.630798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c80711cd416e95b4a6fac31c1acc587459f8942ec24f51ab262fea57cfaa5fe

Aliases

arxiv: 1207.2472 · arxiv_version: 1207.2472v1 · doi: 10.48550/arxiv.1207.2472 · pith_short_12: DSAHCHGUC3UV · pith_short_16: DSAHCHGUC3UVWSTP · pith_short_8: DSAHCHGU

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/DSAHCHGUC3UVWSTPVQY4DLGFQ5 \
  | 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: 1c80711cd416e95b4a6fac31c1acc587459f8942ec24f51ab262fea57cfaa5fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6989270c1ff1961fdd475067fbc1d216a1c0a47a763e6fb952588f8d72c595d4",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-07-10T20:00:04Z",
    "title_canon_sha256": "ab6dd1a255afc4d8366fe9c1246e56855cf54e30ac4d4f91f8be14ecda67cc37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2472",
    "kind": "arxiv",
    "version": 1
  }
}