Pith Number

pith:YHQZFIGM

pith:2012:YHQZFIGMQAP4SCOPYREFRHM3LV

not attested not anchored not stored refs pending

Cosmic Origins Spectrograph Observations of Warm Intervening Gas Towards 3C263

Anand Narayanan, Bart P. Wakker, Blair D. Savage

arxiv:1204.3951 v1 · 2012-04-18 · 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{YHQZFIGMQAP4SCOPYREFRHM3LV}

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	2026-05-18T01:57:49.596421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1e192a0cc801fc909cfc448589d9b5d642b31e422b6db78a6ee1f9b35abe1f4

Aliases

arxiv: 1204.3951 · arxiv_version: 1204.3951v1 · doi: 10.48550/arxiv.1204.3951 · pith_short_12: YHQZFIGMQAP4 · pith_short_16: YHQZFIGMQAP4SCOP · pith_short_8: YHQZFIGM

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/YHQZFIGMQAP4SCOPYREFRHM3LV \
  | 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: c1e192a0cc801fc909cfc448589d9b5d642b31e422b6db78a6ee1f9b35abe1f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ccf33e8836357d87eee28f465704467dd28ba74470bfa9321de737c22e3a317",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-18T00:30:10Z",
    "title_canon_sha256": "3596c12ad45c8726f55399df34ad124dcb2bb88a2a592ec9fce0579e48a3d02a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3951",
    "kind": "arxiv",
    "version": 1
  }
}