Pith Number

pith:NPHXKIGX

pith:2017:NPHXKIGXIE4E7ULEL6LFZIOI2X

not attested not anchored not stored refs pending

Spectrum of the free rod under tension and compression

Jooyeon Chung, L. Mercredi Chasman

arxiv:1704.04494 v1 · 2017-03-28 · physics.class-ph · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPHXKIGXIE4E7ULEL6LFZIOI2X}

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	2026-05-18T00:46:21.551487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bcf7520d741384fd1645f965ca1c8d5efc24d8006c935205c881ff60de36851

Aliases

arxiv: 1704.04494 · arxiv_version: 1704.04494v1 · doi: 10.48550/arxiv.1704.04494 · pith_short_12: NPHXKIGXIE4E · pith_short_16: NPHXKIGXIE4E7ULE · pith_short_8: NPHXKIGX

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/NPHXKIGXIE4E7ULEL6LFZIOI2X \
  | 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: 6bcf7520d741384fd1645f965ca1c8d5efc24d8006c935205c881ff60de36851

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "423b49336cc036c13eeae93e2fb659c9a273a5eecae6c71f3cf74e0fb9faf7c4",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2017-03-28T02:56:09Z",
    "title_canon_sha256": "abda85a9cb293dc418eb47bd2e9ae0bbe84550f9430bfca5a5bac9ab179974f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04494",
    "kind": "arxiv",
    "version": 1
  }
}