Pith Number

pith:Q3BTBT6A

pith:2011:Q3BTBT6AWKZF3GYV6XKAV33KQG

not attested not anchored not stored refs pending

Upper Bound on the Energy of Particles and Their Secondary Neutrinos

Brian C. Lacki, Todd A. Thompson

arxiv:1103.1886 v1 · 2011-03-09 · 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{Q3BTBT6AWKZF3GYV6XKAV33KQG}

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	2026-05-18T04:27:03.450482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86c330cfc0b2b25d9b15f5d40aef6a8186bd4c68f98637fe53b6a07a9ee453dd

Aliases

arxiv: 1103.1886 · arxiv_version: 1103.1886v1 · doi: 10.48550/arxiv.1103.1886 · pith_short_12: Q3BTBT6AWKZF · pith_short_16: Q3BTBT6AWKZF3GYV · pith_short_8: Q3BTBT6A

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/Q3BTBT6AWKZF3GYV6XKAV33KQG \
  | 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: 86c330cfc0b2b25d9b15f5d40aef6a8186bd4c68f98637fe53b6a07a9ee453dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abaed88b1e3b627973f6b260e63f4e6153b43e94b0d2df20d6ba16c0f2d47348",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-03-09T21:09:02Z",
    "title_canon_sha256": "ec27421ae438a3f312a8f4b119cbb6014fb43bc4244308220930daabe3654f3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1886",
    "kind": "arxiv",
    "version": 1
  }
}