Pith Number

pith:Y7FRAHF3

pith:2012:Y7FRAHF3QDOEGQ3NXRRZDNRHVL

not attested not anchored not stored refs pending

Design and performance of an absolute gas refractometer based on quasi-synthetic wavelength method

Haoyun Wei, Jitao Zhang, Pei Huang, Yan Li

arxiv:1211.2493 v1 · 2012-11-12 · physics.ins-det · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y7FRAHF3QDOEGQ3NXRRZDNRHVL}

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	2026-05-18T03:05:18.780800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7cb101cbb80dc43436dbc6391b627aad3f7e663036fbc0f5f5eb84e7452488e

Aliases

arxiv: 1211.2493 · arxiv_version: 1211.2493v1 · doi: 10.48550/arxiv.1211.2493 · pith_short_12: Y7FRAHF3QDOE · pith_short_16: Y7FRAHF3QDOEGQ3N · pith_short_8: Y7FRAHF3

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/Y7FRAHF3QDOEGQ3NXRRZDNRHVL \
  | 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: c7cb101cbb80dc43436dbc6391b627aad3f7e663036fbc0f5f5eb84e7452488e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bcb3281c49b5cd929ff3f337e80bd2c9e0c290ad295c43923fda0dacccad37e",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2012-11-12T02:05:45Z",
    "title_canon_sha256": "c02b2096aff79a273f85519f49856927efafd116a9a42d127021fa002a1050d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2493",
    "kind": "arxiv",
    "version": 1
  }
}