Pith Number

pith:27BMSWH7

pith:2009:27BMSWH7FI4LHZMCQOJLIX6OQQ

not attested not anchored not stored refs pending

Gamma-Ray Telescopes (in "400 Years of Astronomical Telescopes")

J.K. Cannizzo, N. Gehrels

arxiv:0908.2606 v1 · 2009-08-18 · astro-ph.IM · 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{27BMSWH7FI4LHZMCQOJLIX6OQQ}

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.

Cited by

1 paper in Pith

Model-independent calibration of Gamma-Ray Bursts with neural networks

Receipt and verification

First computed	2026-05-18T02:12:25.512085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7c2c958ff2a38b3e5828392b45fce843d49f4fb5ed52f740d4574ac082bfba2

Aliases

arxiv: 0908.2606 · arxiv_version: 0908.2606v1 · doi: 10.48550/arxiv.0908.2606 · pith_short_12: 27BMSWH7FI4L · pith_short_16: 27BMSWH7FI4LHZMC · pith_short_8: 27BMSWH7

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/27BMSWH7FI4LHZMCQOJLIX6OQQ \
  | 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: d7c2c958ff2a38b3e5828392b45fce843d49f4fb5ed52f740d4574ac082bfba2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7471d059954fd9fa9fe57c9d1781e64d7be07f7769d1c441ef5e3afe0713f4d",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-08-18T17:54:47Z",
    "title_canon_sha256": "f816b78e1fb1e9480bc080548bb527ba671106e05cd674020c56158b67dbd088"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2606",
    "kind": "arxiv",
    "version": 1
  }
}