Pith Number

pith:NKEZOUKF

pith:2017:NKEZOUKFVRNJ44HI2TX3OXP4AB

not attested not anchored not stored refs pending

Observational properties of massive black hole binary progenitors

A. A. C. Sander, H. Todt, J. J. Eldridge, L. M. Oskinova, N. Langer, P. Marchant, R. Hainich, T. Shenar, W.-R. Hamann

arxiv:1707.01912 v2 · 2017-07-06 · 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{NKEZOUKFVRNJ44HI2TX3OXP4AB}

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	2026-05-18T00:25:18.080868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a89975145ac5a9e70e8d4efb75dfc0076ee59ea96407b3cdd832ea5826a4a8e

Aliases

arxiv: 1707.01912 · arxiv_version: 1707.01912v2 · doi: 10.48550/arxiv.1707.01912 · pith_short_12: NKEZOUKFVRNJ · pith_short_16: NKEZOUKFVRNJ44HI · pith_short_8: NKEZOUKF

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/NKEZOUKFVRNJ44HI2TX3OXP4AB \
  | 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: 6a89975145ac5a9e70e8d4efb75dfc0076ee59ea96407b3cdd832ea5826a4a8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b7ba346359c99cbf20c7f34de70fce6bd820d0dc334e0ef5fe08c688dfe23e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-07-06T18:00:04Z",
    "title_canon_sha256": "b47ed8d55fd803ca50b6850ba70a7dd28303eeac955ccd083b0bd961d52df335"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01912",
    "kind": "arxiv",
    "version": 2
  }
}