Pith Number

pith:OUOUFC7T

pith:2017:OUOUFC7T3MPTIE7ZBLMIIQP3PK

not attested not anchored not stored refs pending

Gas inflows towards the nucleus of the Seyfert 2 galaxy NGC1667

Allan Schnorr-M\"uller, Fabricio Ferrari, Neil M. Nagar, Thaisa Storchi-Bergmann

arxiv:1701.00865 v1 · 2017-01-03 · 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{OUOUFC7T3MPTIE7ZBLMIIQP3PK}

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	2026-05-18T00:52:35.354956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

751d428bf3db1f3413f90ad88441fb7a8d34b7b25f33bc9a5f298e00d11e6768

Aliases

arxiv: 1701.00865 · arxiv_version: 1701.00865v1 · doi: 10.48550/arxiv.1701.00865 · pith_short_12: OUOUFC7T3MPT · pith_short_16: OUOUFC7T3MPTIE7Z · pith_short_8: OUOUFC7T

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/OUOUFC7T3MPTIE7ZBLMIIQP3PK \
  | 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: 751d428bf3db1f3413f90ad88441fb7a8d34b7b25f33bc9a5f298e00d11e6768

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27e499929fa3029b2911f2184c34b579b2540047642c0c680d2a7082837ba667",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-03T23:25:18Z",
    "title_canon_sha256": "07dde66c0a4074c8c348c8414342313d243fb4ddd51bd9b24ba9299c5cc94cf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00865",
    "kind": "arxiv",
    "version": 1
  }
}