Pith Number

pith:XTGYVNFA

pith:2009:XTGYVNFAHV7HPP6CJACJ4C456V

not attested not anchored not stored refs pending

First proton-proton collisions at the LHC as observed with the ALICE detector: measurement of the charged particle pseudorapidity density at $\sqrt{s}$ = 900 GeV

ALICE Collaboration

arxiv:0911.5430 v3 · 2009-11-28 · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XTGYVNFAHV7HPP6CJACJ4C456V}

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	2026-05-18T00:34:05.606632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bccd8ab4a03d7e77bfc248049e0b9df5587f5ddb9d77cf193bde672851ad0639

Aliases

arxiv: 0911.5430 · arxiv_version: 0911.5430v3 · doi: 10.48550/arxiv.0911.5430 · pith_short_12: XTGYVNFAHV7H · pith_short_16: XTGYVNFAHV7HPP6C · pith_short_8: XTGYVNFA

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/XTGYVNFAHV7HPP6CJACJ4C456V \
  | 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: bccd8ab4a03d7e77bfc248049e0b9df5587f5ddb9d77cf193bde672851ad0639

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebdda7263ac0709b8df5ce11e61b022e5c61d72b91d594b1212286bd73799e6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ex",
    "submitted_at": "2009-11-28T22:01:29Z",
    "title_canon_sha256": "dd2f674b9de2e91deaaa3d3c7d0655ce3d262d4c800aaf6ef4b08e810484097b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.5430",
    "kind": "arxiv",
    "version": 3
  }
}