Pith Number

pith:IYMW2TJE

pith:2017:IYMW2TJE6MKICUQ3PZDWYCTHXY

not attested not anchored not stored refs pending

Statistical Detection of the HeII Transverse Proximity Effect: Evidence for Sustained Quasar Activity for $>$25 Million Years

Gabor Worseck (MPIA), Joseph F. Hennawi (UCSB, J. Xavier Prochaska (UCSC), MPIA), Neil H. M. Crighton (Swinburne University), Tobias M. Schmidt (MPIA)

arxiv:1701.08769 v1 · 2017-01-30 · 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{IYMW2TJE6MKICUQ3PZDWYCTHXY}

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	2026-05-18T00:33:52.670209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46196d4d24f31481521b7e476c0a67be140e2e877011d23668a50e14a36c2db0

Aliases

arxiv: 1701.08769 · arxiv_version: 1701.08769v1 · doi: 10.48550/arxiv.1701.08769 · pith_short_12: IYMW2TJE6MKI · pith_short_16: IYMW2TJE6MKICUQ3 · pith_short_8: IYMW2TJE

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/IYMW2TJE6MKICUQ3PZDWYCTHXY \
  | 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: 46196d4d24f31481521b7e476c0a67be140e2e877011d23668a50e14a36c2db0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac7f5d442897dc9d980c617a9623bd61d1f211a613dcc7b52807aca704745e89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-30T19:00:02Z",
    "title_canon_sha256": "7719b411ee2a3dc1da8e7e1822f25a19486eb07183373f8978d9aaa9e79ba629"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08769",
    "kind": "arxiv",
    "version": 1
  }
}