Pith Number

pith:P5QSGRYE

pith:2012:P5QSGRYEE5K4SCS34UKI4QULOU

not attested not anchored not stored refs pending

The Mid-Infrared Tully-Fisher Relation: Calibration of the SNIa Scale and Ho

Helene M. Courtois, Jenny G. Sorce, R. Brent Tully

arxiv:1208.3311 v1 · 2012-08-16 · 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{P5QSGRYEE5K4SCS34UKI4QULOU}

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	2026-05-18T01:55:15.390639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f612347042755c90a5be5148e428b75131e2ea8c1ce6d59be22111715e72dbe

Aliases

arxiv: 1208.3311 · arxiv_version: 1208.3311v1 · doi: 10.48550/arxiv.1208.3311 · pith_short_12: P5QSGRYEE5K4 · pith_short_16: P5QSGRYEE5K4SCS3 · pith_short_8: P5QSGRYE

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/P5QSGRYEE5K4SCS34UKI4QULOU \
  | 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: 7f612347042755c90a5be5148e428b75131e2ea8c1ce6d59be22111715e72dbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bf2827655c1aeeb1c804fc7724cc6dd857392b2f1d362a101acf9913113acf7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-16T08:11:54Z",
    "title_canon_sha256": "387d3befe65b92e10e8bf83edde533cbb04d065317727ec71cace954e8f6650b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3311",
    "kind": "arxiv",
    "version": 1
  }
}