Pith Number

pith:TWP5USP5

pith:2006:TWP5USP5WO5TPSZZXYAF5XGXNL

not attested not anchored not stored refs pending

The 1 um discontinuity in the Extragalactic Background Light spectrum: an artefact of foreground subtraction

K. Mattila

arxiv:astro-ph/0608217 v1 · 2006-08-10 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TWP5USP5WO5TPSZZXYAF5XGXNL}

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	2026-07-04T16:59:14.686484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d9fda49fdb3bb37cb39be005edcd76aee0e9ad25e00ad240ad6b4e56a70b87c

Aliases

arxiv: astro-ph/0608217 · arxiv_version: astro-ph/0608217v1 · doi: 10.48550/arxiv.astro-ph/0608217 · pith_short_12: TWP5USP5WO5T · pith_short_16: TWP5USP5WO5TPSZZ · pith_short_8: TWP5USP5

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/TWP5USP5WO5TPSZZXYAF5XGXNL \
  | 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: 9d9fda49fdb3bb37cb39be005edcd76aee0e9ad25e00ad240ad6b4e56a70b87c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8d825fbdf9ffb81a00010e1095f978631de2a2014a2b085979a643a396c4608",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-08-10T12:18:06Z",
    "title_canon_sha256": "98665ff53ec4acec439033409fb01dc1b618ca903005249a4fefd874c30bee07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0608217",
    "kind": "arxiv",
    "version": 1
  }
}