Pith Number

pith:P2ZT7F56

pith:2007:P2ZT7F56YOJ37U4LDJWGILOC5R

not attested not anchored not stored refs pending

X-ray/UV/Optical follow-up of the blazar PKS 2155-304 after the giant TeV flares of July 2006

A. Treves, C. M. Raiteri, E. Pian, F. Tavecchio, G. Di Cocco, G. Ghisellini, G. Malaguti, G. Tagliaferri, G. Tosti, L. Foschini, L. Maraschi, M. Gliozzi, M. Villata, P. Giommi, R. M. Sambruna

arxiv:astro-ph/0701868 v1 · 2007-01-30 · 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{P2ZT7F56YOJ37U4LDJWGILOC5R}

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	2026-07-04T17:07:35.994003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7eb33f97bec393bfd38b1a6c642dc2ec6f5801dbd7f1163d99b2328fc10aede8

Aliases

arxiv: astro-ph/0701868 · arxiv_version: astro-ph/0701868v1 · doi: 10.48550/arxiv.astro-ph/0701868 · pith_short_12: P2ZT7F56YOJ3 · pith_short_16: P2ZT7F56YOJ37U4L · pith_short_8: P2ZT7F56

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/P2ZT7F56YOJ37U4LDJWGILOC5R \
  | 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: 7eb33f97bec393bfd38b1a6c642dc2ec6f5801dbd7f1163d99b2328fc10aede8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f37f88ed323f56c8f28f7d6f632a71823125f6d5e474fb11746d9b102bc72312",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-30T16:13:25Z",
    "title_canon_sha256": "08c423c50f6a4ffb792cf54418d742e3a4adf9ec195ef548d2d8339bd4eace67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701868",
    "kind": "arxiv",
    "version": 1
  }
}