Pith Number

pith:6FJZMC44

pith:2011:6FJZMC44B7V4PYRR7YMDSR45TK

not attested not anchored not stored refs pending

A Next Generation Deep 2 micron Survey: Reconnoitering the Dark Ages

Jeremy Mould

arxiv:1108.1992 v1 · 2011-08-09 · 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{6FJZMC44B7V4PYRR7YMDSR45TK}

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	2026-05-18T02:00:59.728054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f153960b9c0febc7e231fe1839479d9a95b4bc6b42fa856c44b673a7eb5e4369

Aliases

arxiv: 1108.1992 · arxiv_version: 1108.1992v1 · doi: 10.48550/arxiv.1108.1992 · pith_short_12: 6FJZMC44B7V4 · pith_short_16: 6FJZMC44B7V4PYRR · pith_short_8: 6FJZMC44

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/6FJZMC44B7V4PYRR7YMDSR45TK \
  | 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: f153960b9c0febc7e231fe1839479d9a95b4bc6b42fa856c44b673a7eb5e4369

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcabfe3268363d162693a3691dbb9c8a4770b148bf782783f729c4763eed5c4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-09T17:31:23Z",
    "title_canon_sha256": "9bc0c0fcdedc3b8fae35758bb842beaffe3b53c5fb81503ad33bf925e80e5d41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1992",
    "kind": "arxiv",
    "version": 1
  }
}