Pith Number

pith:3HWN2KRK

pith:2015:3HWN2KRK43GUB6DUUFQC435FRS

not attested not anchored not stored refs pending

Optical spectroscopy of PSR B1259-63/LS 2883 during the 2014 periastron passage with the Southern African Large Telescope

A. Odendaal, B. van Soelen, I. Sushch, L. Klindt, P.J. Meintjes, P. V\"ais\"anen

arxiv:1511.01224 v2 · 2015-11-04 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3HWN2KRK43GUB6DUUFQC435FRS}

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	2026-05-18T01:24:43.471931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9ecdd2a2ae6cd40f874a1602e6fa58c9b635609eb0cac29678cc39b21d70f56

Aliases

arxiv: 1511.01224 · arxiv_version: 1511.01224v2 · doi: 10.48550/arxiv.1511.01224 · pith_short_12: 3HWN2KRK43GU · pith_short_16: 3HWN2KRK43GUB6DU · pith_short_8: 3HWN2KRK

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/3HWN2KRK43GUB6DUUFQC435FRS \
  | 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: d9ecdd2a2ae6cd40f874a1602e6fa58c9b635609eb0cac29678cc39b21d70f56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb8bb535bb70fb299c717e77b438be63e3eacf5487480e105f91127b1dab96e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-11-04T06:54:29Z",
    "title_canon_sha256": "be36eae59cceb98eebf8edc7d7ba6f6c09eb7c4623e0ce3168df875d20c04afc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01224",
    "kind": "arxiv",
    "version": 2
  }
}