Pith Number

pith:T6DDLCV7

pith:2017:T6DDLCV7DCGHZI5WO6MQ3UWIMS

not attested not anchored not stored refs pending

Witnessing galaxy assembly in an extended z~3 structure

James Trayford, Johan P. U. Fynbo, John O'Meara, J. Xavier Prochaska, Lise Christensen, Marc Rafelski, Michele Fumagalli (Durham University), Palle Moller, Ruari Mackenzie, Sebastiano Cantalupo, Tom Shanks, Tom Theuns

arxiv:1707.07003 v1 · 2017-07-21 · 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{T6DDLCV7DCGHZI5WO6MQ3UWIMS}

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	2026-05-18T00:36:28.310755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f86358abf188c7ca3b677990dd2c864ab63cf83a4edd151a18165a3dab787fa

Aliases

arxiv: 1707.07003 · arxiv_version: 1707.07003v1 · doi: 10.48550/arxiv.1707.07003 · pith_short_12: T6DDLCV7DCGH · pith_short_16: T6DDLCV7DCGHZI5W · pith_short_8: T6DDLCV7

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/T6DDLCV7DCGHZI5WO6MQ3UWIMS \
  | 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: 9f86358abf188c7ca3b677990dd2c864ab63cf83a4edd151a18165a3dab787fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c76b8a3524144b55fb765fb9415f2d122297dc050d3fe739f85a4542d2b5cb43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-07-21T18:00:01Z",
    "title_canon_sha256": "42ed5faa83fc155dd4ebecd1e783582f4224c513e785e2bda2488a70385ad779"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07003",
    "kind": "arxiv",
    "version": 1
  }
}