Pith Number

pith:2TLH7LID

pith:2015:2TLH7LIDG23VHUQJKX4WBDXJBA

not attested not anchored not stored refs pending

ALMA detection of a disc-dominated [C II] emission line at z=4.6 in the luminous QSO J1554+1937

Amy E Kimball, Carol J Lonsdale, J-P Macquart, Mark Lacy

arxiv:1505.05262 v1 · 2015-05-20 · 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{2TLH7LIDG23VHUQJKX4WBDXJBA}

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	2026-05-18T02:03:58.856666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4d67fad0336b753d20955f9608ee90809d7d1bf436e08652f18d394984f01cc

Aliases

arxiv: 1505.05262 · arxiv_version: 1505.05262v1 · doi: 10.48550/arxiv.1505.05262 · pith_short_12: 2TLH7LIDG23V · pith_short_16: 2TLH7LIDG23VHUQJ · pith_short_8: 2TLH7LID

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/2TLH7LIDG23VHUQJKX4WBDXJBA \
  | 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: d4d67fad0336b753d20955f9608ee90809d7d1bf436e08652f18d394984f01cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ec69211d88a23054e2b8c75e6a08f6dd0cc63f01ca6cc8b9b91935c2aa04d76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-05-20T07:19:15Z",
    "title_canon_sha256": "d3fa2fa871a2a8ba8e5ddb837849ea5178c9e0728b5643d44523d06f64e94cc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05262",
    "kind": "arxiv",
    "version": 1
  }
}