Pith Number

pith:IZJQ7EVS

pith:2019:IZJQ7EVSVXFCNKFNF2HBMWMW36

not attested not anchored not stored refs pending

Measurement of the Extragalactic Background Light with VERITAS

Elisa Pueschel (for the VERITAS collaboration)

arxiv:1908.04163 v1 · 2019-08-12 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IZJQ7EVSVXFCNKFNF2HBMWMW36}

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	2026-07-04T23:53:21.194245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46530f92b2adca26a8ad2e8e165996dfbcc86d2955012a4f478f18b116ef6dcb

Aliases

arxiv: 1908.04163 · arxiv_version: 1908.04163v1 · doi: 10.48550/arxiv.1908.04163 · pith_short_12: IZJQ7EVSVXFC · pith_short_16: IZJQ7EVSVXFCNKFN · pith_short_8: IZJQ7EVS

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/IZJQ7EVSVXFCNKFNF2HBMWMW36 \
  | 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: 46530f92b2adca26a8ad2e8e165996dfbcc86d2955012a4f478f18b116ef6dcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0d3fe26f9bacd4f8ce15f888313f98fea0214e59a4592ab2f7673f1b0283c4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-08-12T14:19:19Z",
    "title_canon_sha256": "fdfa182a34525c9e84492e0792987bc98a0b2b54c31fcf94389c25d2d8ccd5e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04163",
    "kind": "arxiv",
    "version": 1
  }
}