Pith Number

pith:TWOXMTVT

pith:2016:TWOXMTVTCOZMDYUT53UV6FQKHB

not attested not anchored not stored refs pending

Using 21-cm absorption surveys to measure the average HI spin temperature in distant galaxies

J. R. Allison, M. A. Zwaan, S. J. Curran, S. W. Duchesne

arxiv:1607.04828 v2 · 2016-07-17 · 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{TWOXMTVTCOZMDYUT53UV6FQKHB}

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	2026-05-18T01:08:38.101446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d9d764eb313b2c1e293eee95f160a3875ef7c551d75d6c3eddf5435d8830a72

Aliases

arxiv: 1607.04828 · arxiv_version: 1607.04828v2 · doi: 10.48550/arxiv.1607.04828 · pith_short_12: TWOXMTVTCOZM · pith_short_16: TWOXMTVTCOZMDYUT · pith_short_8: TWOXMTVT

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/TWOXMTVTCOZMDYUT53UV6FQKHB \
  | 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: 9d9d764eb313b2c1e293eee95f160a3875ef7c551d75d6c3eddf5435d8830a72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0faf65627fdcca47e49c3974218b1a85091ba990abf648cd2e2784b35e611980",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-07-17T04:36:10Z",
    "title_canon_sha256": "9089d068db611470cbc0f6276c7aa068fcae5d4898a535f43d6a1dc5cd863659"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04828",
    "kind": "arxiv",
    "version": 2
  }
}