Pith Number

pith:4AX3NTP2

pith:2006:4AX3NTP25L2ZXLVYVCMCFOYP6N

not attested not anchored not stored refs pending

A torque reversal of 4U 1907+09

A. Santangelo, F. Bayazit, I. Kreykenbohm, J. Rodriguez, J. Wilms, K. Pottschmidt, R. Staubert, S. Fritz

arxiv:astro-ph/0608518 v1 · 2006-08-24 · astro-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{4AX3NTP25L2ZXLVYVCMCFOYP6N}

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	2026-07-04T16:59:18.034738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e02fb6cdfaeaf59baeb8a89822bb0ff3463b0b92ec89fbbd70a968d861edf486

Aliases

arxiv: astro-ph/0608518 · arxiv_version: astro-ph/0608518v1 · doi: 10.48550/arxiv.astro-ph/0608518 · pith_short_12: 4AX3NTP25L2Z · pith_short_16: 4AX3NTP25L2ZXLVY · pith_short_8: 4AX3NTP2

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/4AX3NTP25L2ZXLVYVCMCFOYP6N \
  | 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: e02fb6cdfaeaf59baeb8a89822bb0ff3463b0b92ec89fbbd70a968d861edf486

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20419adeeb1ef67b4123674b159163ebac34960d2e3e1ad1dd540282ee18c3e6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-08-24T14:53:54Z",
    "title_canon_sha256": "369fe33cdc36d47cc31b8b318a028cfafa2851579cf4e6fdb878aa625bcaa8ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0608518",
    "kind": "arxiv",
    "version": 1
  }
}