Pith Number

pith:KMDBA2E6

pith:2017:KMDBA2E6Z6SIUHI475Q2HYT2NV

not attested not anchored not stored refs pending

Extragalactic background Light: a measurement at 400 nm using dark cloud shadow II. Spectroscopic separation of dark cloud's light, and results

(2) South African Astronomical Observatory, 3), (3) Southern African Large Telescope, (4) Astronomisches Institut, Cape Town, Ch. Leinert (5) ((1) Department of Physics, Finland, Germany), Germany (5) Max-Planck-Institut f\"ur Astronomie, G. von Appen-Schnur (4), Heidelberg, K. Lehtinen (1), K. Mattila (1), P. V\"ais\"anen (2, Ruhr-Universit\"at Bochum, South Africa, University of Helsinki

arxiv:1705.10790 v1 · 2017-05-30 · 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{KMDBA2E6Z6SIUHI475Q2HYT2NV}

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	2026-05-18T00:43:20.216413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

530610689ecfa48a1d1cff61a3e27a6d4461fbdf15a28a013bfc1b95a591ec9c

Aliases

arxiv: 1705.10790 · arxiv_version: 1705.10790v1 · doi: 10.48550/arxiv.1705.10790 · pith_short_12: KMDBA2E6Z6SI · pith_short_16: KMDBA2E6Z6SIUHI4 · pith_short_8: KMDBA2E6

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/KMDBA2E6Z6SIUHI475Q2HYT2NV \
  | 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: 530610689ecfa48a1d1cff61a3e27a6d4461fbdf15a28a013bfc1b95a591ec9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a56a9aef50be667fc8f70ddc68f348e8257cc40374e0868a655b24f6b70a959",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-05-30T14:55:24Z",
    "title_canon_sha256": "8d81d3fc1f71b582269914598abe17a9ed5be5e009f02fdb82bd075da6f375d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10790",
    "kind": "arxiv",
    "version": 1
  }
}