Pith Number

pith:GVFXXXZE

pith:2015:GVFXXXZEB7KCHTGQZN7Z3T7WFE

not attested not anchored not stored refs pending

The Case for a James Webb Space Telescope Extragalactic Key Project

James Dunlop (Edinburgh), Olivier Le Fevre (Marseille), Stephen Wilkins (Sussex), Steven L. Finkelstein (UT Austin)

arxiv:1512.04530 v1 · 2015-12-14 · astro-ph.IM · 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{GVFXXXZEB7KCHTGQZN7Z3T7WFE}

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	2026-05-18T01:24:19.907091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

354b7bdf240fd423ccd0cb7f9dcff6292d22d1777d497fdfe455eb82d9028ddb

Aliases

arxiv: 1512.04530 · arxiv_version: 1512.04530v1 · doi: 10.48550/arxiv.1512.04530 · pith_short_12: GVFXXXZEB7KC · pith_short_16: GVFXXXZEB7KCHTGQ · pith_short_8: GVFXXXZE

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/GVFXXXZEB7KCHTGQZN7Z3T7WFE \
  | 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: 354b7bdf240fd423ccd0cb7f9dcff6292d22d1777d497fdfe455eb82d9028ddb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "990b465869e62f8e4c22a887ca385c486644cdece6590c592a233f23cdd6ba23",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-12-14T21:00:02Z",
    "title_canon_sha256": "6a92074c67a77f8d3ac56bd8d2dcde86062e96efc1d484764b8b7dcf060636b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04530",
    "kind": "arxiv",
    "version": 1
  }
}