Pith Number

pith:LL33754D

pith:2008:LL33754DZCWJ7OEKUXOWLOYEFS

not attested not anchored not stored refs pending

The obscured gamma-ray and UHECR universe

Charles D. Dermer (NRL)

arxiv:0804.2466 v1 · 2008-04-15 · 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{LL33754DZCWJ7OEKUXOWLOYEFS}

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	2026-05-18T01:18:34.265755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5af7bff783c8ac9fb88aa5dd65bb042cb6085d224691e63fd32787720d736d4f

Aliases

arxiv: 0804.2466 · arxiv_version: 0804.2466v1 · doi: 10.48550/arxiv.0804.2466 · pith_short_12: LL33754DZCWJ · pith_short_16: LL33754DZCWJ7OEK · pith_short_8: LL33754D

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/LL33754DZCWJ7OEKUXOWLOYEFS \
  | 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: 5af7bff783c8ac9fb88aa5dd65bb042cb6085d224691e63fd32787720d736d4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f529f33ac639eed785ffd510d3b01bc7b89e2a6b22e32d79363e0af380388fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-04-15T19:31:12Z",
    "title_canon_sha256": "a9cd625ee5f42cff7fd8e0160e7da1a372aae5ffa3fbd4a3c087a5191681110f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.2466",
    "kind": "arxiv",
    "version": 1
  }
}