Pith Number

pith:ESOUKUTA

pith:2012:ESOUKUTA2RTYTHRZCNWETZ2ZAY

not attested not anchored not stored refs pending

FIRST-2MASS Red Quasars: Transitional Objects Emerging from the Dust

Adam D. Myers, Ashish Mahabal, Donald G. York, Donald P. Schneider, Eilat Glikman, Jian Ge, Mark Lacy, Nicholas P. Ross, Patrick Petitjean, S. George Djorgovski, Tanya Urrutia

arxiv:1207.2175 v1 · 2012-07-09 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ESOUKUTA2RTYTHRZCNWETZ2ZAY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:56:26.248082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

249d455260d467899e39136c49e7590616386323b0138afe26f6d750b7decf9f

Aliases

arxiv: 1207.2175 · arxiv_version: 1207.2175v1 · doi: 10.48550/arxiv.1207.2175 · pith_short_12: ESOUKUTA2RTY · pith_short_16: ESOUKUTA2RTYTHRZ · pith_short_8: ESOUKUTA

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/ESOUKUTA2RTYTHRZCNWETZ2ZAY \
  | 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: 249d455260d467899e39136c49e7590616386323b0138afe26f6d750b7decf9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a422080c2bace28c640fd91fa61cdfab30e54e792a18694ed865665fca520d21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-09T20:39:51Z",
    "title_canon_sha256": "9f18eb07feabadaa82e73c26f7f31230adec1b15bf0434da3ee2041d433212f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2175",
    "kind": "arxiv",
    "version": 1
  }
}