Pith Number

pith:YHH7DFCA

pith:2001:YHH7DFCAWEGLDVPAU72PSM432A

not attested not anchored not stored refs pending

COMPTEL Observations of the Blazar PKS 1622-297 during a Gamma-Ray High State in 1995

H. Bloemen, J. Ryan, K. Bennett, O. Reimer, O.R. Williams, S. Zhang, V. Schonfelder, W. Collmar, W. Hermsen

arxiv:astro-ph/0105191 v1 · 2001-05-11 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YHH7DFCAWEGLDVPAU72PSM432A}

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	2026-07-04T14:11:15.289276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1cff19440b10cb1d5e0a7f4f9339bd009ce66f92f157f103c49bf2c487add8e

Aliases

arxiv: astro-ph/0105191 · arxiv_version: astro-ph/0105191v1 · doi: 10.48550/arxiv.astro-ph/0105191 · pith_short_12: YHH7DFCAWEGL · pith_short_16: YHH7DFCAWEGLDVPA · pith_short_8: YHH7DFCA

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/YHH7DFCAWEGLDVPAU72PSM432A \
  | 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: c1cff19440b10cb1d5e0a7f4f9339bd009ce66f92f157f103c49bf2c487add8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e82244a6bd84b7c2f625cd60ac55a322e051139a6d5b58f04a8fa27e19d477e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-05-11T12:30:11Z",
    "title_canon_sha256": "31f7da0630ebd6e7cdf5ed03a4bbdd0a4381a8e4f894c06ce03012afef99ccc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0105191",
    "kind": "arxiv",
    "version": 1
  }
}