Pith Number

pith:QORRYCFX

pith:2011:QORRYCFXK33QGLBWI5DMR6L7P4

not attested not anchored not stored refs pending

Nearby low-luminosity GRBs as the sources of ultra-high energy cosmic rays revisited

Ruo-Yu Liu, Xiang-Yu Wang, Zi-Gao Dai

arxiv:1108.1551 v1 · 2011-08-07 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QORRYCFXK33QGLBWI5DMR6L7P4}

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	2026-05-18T02:01:00.687138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83a31c08b756f7032c364746c8f97f7f3c6c152db942fd925c89985f880c48dd

Aliases

arxiv: 1108.1551 · arxiv_version: 1108.1551v1 · doi: 10.48550/arxiv.1108.1551 · pith_short_12: QORRYCFXK33Q · pith_short_16: QORRYCFXK33QGLBW · pith_short_8: QORRYCFX

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/QORRYCFXK33QGLBWI5DMR6L7P4 \
  | 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: 83a31c08b756f7032c364746c8f97f7f3c6c152db942fd925c89985f880c48dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2d17268454cec372e2415eef2c2b982593d01e5439272db3ccd60e41ab928b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-08-07T15:41:14Z",
    "title_canon_sha256": "4544fd09504519492dac661a6cfcbd97e71411e2e60255bb2973cf29dd0d96f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1551",
    "kind": "arxiv",
    "version": 1
  }
}