Pith Number

pith:SFC7PKKA

pith:2018:SFC7PKKAACJTXFCQNNWV5OZR36

not attested not anchored not stored refs pending

De-projection of radio observations of axi-symmetric expanding circumstellar envelopes

D.T. Hoai, J.M. Winters, N.T. Phuong, P. Darriulat, P.N. Diep, P.T. Nhung, P. Tuan-Anh, T. Le Bertre

arxiv:1807.10205 v1 · 2018-07-26 · 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{SFC7PKKAACJTXFCQNNWV5OZR36}

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	2026-05-18T00:08:37.725811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9145f7a94000933b94506b6d5ebb31dfb091a8a680331a7644270cd87893467b

Aliases

arxiv: 1807.10205 · arxiv_version: 1807.10205v1 · doi: 10.48550/arxiv.1807.10205 · pith_short_12: SFC7PKKAACJT · pith_short_16: SFC7PKKAACJTXFCQ · pith_short_8: SFC7PKKA

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/SFC7PKKAACJTXFCQNNWV5OZR36 \
  | 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: 9145f7a94000933b94506b6d5ebb31dfb091a8a680331a7644270cd87893467b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7cc75d8bba598b712b371d915c6313b9089ef91d8cf6e151b697877dba844e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-26T15:47:52Z",
    "title_canon_sha256": "d7542676e9cf23593c61954b05aa5a00e579bd21478012f1a19f79587d820ee0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10205",
    "kind": "arxiv",
    "version": 1
  }
}