Pith Number

pith:PR3OGMS2

pith:2011:PR3OGMS27SVHMZ347GNEKSFG2O

not attested not anchored not stored refs pending

Do Fermi-LAT observations imply very large Lorentz factors in GRB outflows ?

F. Daigne, Institut d'Astrophysique de Paris), R. Hasco\"et, R. Mochkovitch, V. Vennin (UPMC-CNRS

arxiv:1107.5737 v4 · 2011-07-28 · 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{PR3OGMS27SVHMZ347GNEKSFG2O}

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	2026-05-18T02:01:08.321992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c76e3325afcaa76677cf99a4548a6d3bd3ccb1cf3545cc85ba34c8e0c50b00d

Aliases

arxiv: 1107.5737 · arxiv_version: 1107.5737v4 · doi: 10.48550/arxiv.1107.5737 · pith_short_12: PR3OGMS27SVH · pith_short_16: PR3OGMS27SVHMZ34 · pith_short_8: PR3OGMS2

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/PR3OGMS27SVHMZ347GNEKSFG2O \
  | 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: 7c76e3325afcaa76677cf99a4548a6d3bd3ccb1cf3545cc85ba34c8e0c50b00d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc69d4ec4984d1bb1a7d8c89bc7e8e646094d8c88f84a4cf54e5c46afbd77035",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-07-28T15:26:48Z",
    "title_canon_sha256": "ce68ff1470d1fed1c41495f9f6429184397d71b6ad4c7fc9a5360e6d5c366ca7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5737",
    "kind": "arxiv",
    "version": 4
  }
}