Pith Number

pith:S75MZSGC

pith:2015:S75MZSGCMQYRN5RNA4YYRQK3IT

not attested not anchored not stored refs pending

Spatially Resolving the Kinematics of the <100 {\mu}as Quasar Broad Line Region using Spectroastrometry

Jonathan Stern, J\"org-Uwe Pott, Joseph F. Hennawi

arxiv:1502.07767 v1 · 2015-02-26 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S75MZSGCMQYRN5RNA4YYRQK3IT}

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	2026-05-18T01:40:54.189870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97faccc8c2643116f62d073188c15b44e1ca2c40fd2c18dc66f69aaf673df667

Aliases

arxiv: 1502.07767 · arxiv_version: 1502.07767v1 · doi: 10.48550/arxiv.1502.07767 · pith_short_12: S75MZSGCMQYR · pith_short_16: S75MZSGCMQYRN5RN · pith_short_8: S75MZSGC

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/S75MZSGCMQYRN5RNA4YYRQK3IT \
  | 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: 97faccc8c2643116f62d073188c15b44e1ca2c40fd2c18dc66f69aaf673df667

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a4db6f3cb09e7af24bd5fe94498453e74a22ebafc903fefc1cb1af3ef99a7e0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-02-26T21:31:12Z",
    "title_canon_sha256": "7bbebb9af527898382a38a951041108951709146ec060bd41e162813831ec0f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07767",
    "kind": "arxiv",
    "version": 1
  }
}