Pith Number

pith:HCIB3FHU

pith:2013:HCIB3FHUW6LFGPKT6TVYPNB6ZD

not attested not anchored not stored refs pending

The Pulsation-Rotation Interaction: Greatest Hits and the B-Side

Rich Townsend

arxiv:1309.4452 v1 · 2013-09-17 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HCIB3FHUW6LFGPKT6TVYPNB6ZD}

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	2026-05-18T01:47:36.292089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38901d94f4b796533d53f4eb87b43ec8cb36992938d84c220a4176cd6ff1efc1

Aliases

arxiv: 1309.4452 · arxiv_version: 1309.4452v1 · doi: 10.48550/arxiv.1309.4452 · pith_short_12: HCIB3FHUW6LF · pith_short_16: HCIB3FHUW6LFGPKT · pith_short_8: HCIB3FHU

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/HCIB3FHUW6LFGPKT6TVYPNB6ZD \
  | 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: 38901d94f4b796533d53f4eb87b43ec8cb36992938d84c220a4176cd6ff1efc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66ac9acf7b146e2bc480478670baf35fa58c8882a478d66d4fc21d3478feed08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-09-17T20:00:02Z",
    "title_canon_sha256": "392c985611f0b63f66f978741255ec8e87ae20d2e3eeb59206cb9d21b6e85261"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4452",
    "kind": "arxiv",
    "version": 1
  }
}