Pith Number

pith:TW5EUIZU

pith:2014:TW5EUIZUOADUUOFE2THLW6JM3G

not attested not anchored not stored refs pending

An ultracold low emittance electron source

A. J. Murray, G. Xia, L. Bellan, M. Harvey, O. Mete, R. B. Appleby, S. Chattopadhyay, W. Bertsche

arxiv:1404.3609 v1 · 2014-04-14 · physics.acc-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{TW5EUIZUOADUUOFE2THLW6JM3G}

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	2026-05-18T01:43:34.889225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dba4a233470074a38a4d4cebb792cd99b293ff05a8875ce1ce0e93acf357b92

Aliases

arxiv: 1404.3609 · arxiv_version: 1404.3609v1 · doi: 10.48550/arxiv.1404.3609 · pith_short_12: TW5EUIZUOADU · pith_short_16: TW5EUIZUOADUUOFE · pith_short_8: TW5EUIZU

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/TW5EUIZUOADUUOFE2THLW6JM3G \
  | 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: 9dba4a233470074a38a4d4cebb792cd99b293ff05a8875ce1ce0e93acf357b92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "988c440a00b65dab920ecfa79683ea7ae0e0e2068130389b85bd4ce26fa426d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2014-04-14T15:06:29Z",
    "title_canon_sha256": "ac1b9af13fbbecc73984ea2641258aa997d092af22aabfe06c80ec4a3f142ca5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3609",
    "kind": "arxiv",
    "version": 1
  }
}