Pith Number

pith:7Z426LBC

pith:2017:7Z426LBCGC6MY3JOGDFCPI4FRX

not attested not anchored not stored refs pending

Does light from steady sources bear any observable imprint of the dispersive intergalactic medium?

Lingze Duan, Richard Lieu

arxiv:1711.11451 v1 · 2017-11-29 · astro-ph.IM · astro-ph.HE · quant-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{7Z426LBCGC6MY3JOGDFCPI4FRX}

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	2026-05-18T00:23:29.061901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe79af2c2230bccc6d2e30ca27a3858dee3dd5dacbb775cbc7d9e251057e5475

Aliases

arxiv: 1711.11451 · arxiv_version: 1711.11451v1 · doi: 10.48550/arxiv.1711.11451 · pith_short_12: 7Z426LBCGC6M · pith_short_16: 7Z426LBCGC6MY3JO · pith_short_8: 7Z426LBC

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/7Z426LBCGC6MY3JOGDFCPI4FRX \
  | 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: fe79af2c2230bccc6d2e30ca27a3858dee3dd5dacbb775cbc7d9e251057e5475

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24046bcfda7b0a9e4c5d0db6134ff9e886c269893a17c37d67e9d9e3bd674ee1",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-11-29T16:32:04Z",
    "title_canon_sha256": "8dfa50230836f225c0bc459d1c199ced2cb9e21baae1c1fe0bd74534c90d0d94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.11451",
    "kind": "arxiv",
    "version": 1
  }
}