Pith Number

pith:WVGE4WXI

pith:2004:WVGE4WXIQBFA4F7TV2D4XADVYO

not attested not anchored not stored refs pending

The HERMES Polarized Hydrogen and Deuterium Gas Target in the HERA Electron Storage Ring

The HERMES Collaboration

arxiv:physics/0408137 v2 · 2004-08-31 · physics.ins-det · physics.atom-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{WVGE4WXIQBFA4F7TV2D4XADVYO}

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	2026-05-18T03:47:09.482617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b54c4e5ae8804a0e17f3ae87cb8075c3a96188810cf041fada9d669d1dc85620

Aliases

arxiv: physics/0408137 · arxiv_version: physics/0408137v2 · doi: 10.48550/arxiv.physics/0408137 · pith_short_12: WVGE4WXIQBFA · pith_short_16: WVGE4WXIQBFA4F7T · pith_short_8: WVGE4WXI

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/WVGE4WXIQBFA4F7TV2D4XADVYO \
  | 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: b54c4e5ae8804a0e17f3ae87cb8075c3a96188810cf041fada9d669d1dc85620

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9395c28b2e41c584b59f5f4dd77e0b8a76053aa34e10814e060219904c4ff4fb",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2004-08-31T15:06:23Z",
    "title_canon_sha256": "72521f3a530b7a4bbdc9f9d993d5d8c2571c36905f584a1815c920860fb715ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0408137",
    "kind": "arxiv",
    "version": 2
  }
}