Pith Number

pith:PECEPRJL

pith:2009:PECEPRJL5EZR4S3IBT4LRYX2YJ

not attested not anchored not stored refs pending

Building Large Area CZT Imaging Detectors for a Wide-Field Hard X-ray Telescope - ProtoEXIST1

B. Allen, F. Harrison, J. Collins, J. Grindlay, J. Hong, K. E. Nelson, N. Chammas, N. Gehrels, R. Baker, R. McLean, S. Barthelemy, S. Labov, W. R. Cook

arxiv:0903.5363 v2 · 2009-03-31 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PECEPRJL5EZR4S3IBT4LRYX2YJ}

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	2026-07-04T15:45:06.270820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

790447c52be9331e4b680cf8b8e2fac24e1049427f49e7b02ac6c5365f2ceb7c

Aliases

arxiv: 0903.5363 · arxiv_version: 0903.5363v2 · doi: 10.48550/arxiv.0903.5363 · pith_short_12: PECEPRJL5EZR · pith_short_16: PECEPRJL5EZR4S3I · pith_short_8: PECEPRJL

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/PECEPRJL5EZR4S3IBT4LRYX2YJ \
  | 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: 790447c52be9331e4b680cf8b8e2fac24e1049427f49e7b02ac6c5365f2ceb7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b27b3e7ef2de4b4f0a9f19bb1cad8d6b9472e7aae7569114e08a7721056e3eb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-03-31T04:15:21Z",
    "title_canon_sha256": "468c588f82584227da8c184424dcbbb3ad711f873079f5c3f6319842e7e50f07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.5363",
    "kind": "arxiv",
    "version": 2
  }
}