Pith Number

pith:BMP5QN4D

pith:2018:BMP5QN4DLSWHHFOQS77IOMVWJR

not attested not anchored not stored refs pending

High-resolution observations of the symbiotic system R Aqr. Direct imaging of the gravitational effects of the secondary on the stellar wind

A. Castro-Carrizo, J. Alcolea, J. Mikolajewska, S. Ramstedt, V. Bujarrabal

arxiv:1807.07272 v1 · 2018-07-19 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BMP5QN4DLSWHHFOQS77IOMVWJR}

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	2026-05-18T00:08:05.870647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b1fd837835cac7395d097fe8732b64c4b5ba27d8cd1f1c1f900ee95fcd2e33a

Aliases

arxiv: 1807.07272 · arxiv_version: 1807.07272v1 · doi: 10.48550/arxiv.1807.07272 · pith_short_12: BMP5QN4DLSWH · pith_short_16: BMP5QN4DLSWHHFOQ · pith_short_8: BMP5QN4D

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/BMP5QN4DLSWHHFOQS77IOMVWJR \
  | 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: 0b1fd837835cac7395d097fe8732b64c4b5ba27d8cd1f1c1f900ee95fcd2e33a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d8ec3f09fcd4fe136ee575f7a5f99f700ea0f8ea31f61239d1fda18ac2e5e08",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-19T07:47:42Z",
    "title_canon_sha256": "b74db30559eb6c4a64d350392b76357da88797ce88508035b6922bfeead0f9c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07272",
    "kind": "arxiv",
    "version": 1
  }
}