Pith Number

pith:2HP7MTZP

pith:2012:2HP7MTZPXBD4Y5ZGTCSHP5XJ6E

not attested not anchored not stored refs pending

The first spectra for the RX J0440.9+4431 from 2m Terskol telescope

(2) International Center for Astronomical, Andrew Simon (1), A. V. Bondar (2), Ecological Research, Glushkova ave., Kyiv, Medical, Terskol Observatory), Ukraine, V. M. Reshetnyk (1) ((1) National Taras Shevchenko University of Kyiv

arxiv:1206.1558 v1 · 2012-06-07 · 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{2HP7MTZPXBD4Y5ZGTCSHP5XJ6E}

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	2026-05-18T03:54:04.813847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1dff64f2fb847cc772698a477f6e9f1155e6c0871463050b1f1dc1c364fd7bb

Aliases

arxiv: 1206.1558 · arxiv_version: 1206.1558v1 · doi: 10.48550/arxiv.1206.1558 · pith_short_12: 2HP7MTZPXBD4 · pith_short_16: 2HP7MTZPXBD4Y5ZG · pith_short_8: 2HP7MTZP

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/2HP7MTZPXBD4Y5ZGTCSHP5XJ6E \
  | 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: d1dff64f2fb847cc772698a477f6e9f1155e6c0871463050b1f1dc1c364fd7bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "484961d2f9b3209c40b8751406ae69dbefc1c3c2a2d62d4ac849624fb8a0e680",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-06-07T17:32:17Z",
    "title_canon_sha256": "3e451cdcfeeeb8874b756045adfb6cf975d9f7eb841cc9a4db5eb9ddee92dbd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1558",
    "kind": "arxiv",
    "version": 1
  }
}