Pith Number

pith:PMTXBLBH

pith:2010:PMTXBLBHATZJ6UKDCKGY5ABQGE

not attested not anchored not stored refs pending

Spectrophotometric Redshifts. A New Approach to the Reduction of Noisy Spectra and its Application to GRB090423

A. Fernandez-Soto, D. Fugazza, M. Stefanon

arxiv:1010.1370 v1 · 2010-10-07 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PMTXBLBHATZJ6UKDCKGY5ABQGE}

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	2026-05-18T02:05:10.130360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b2770ac2704f29f5143128d8e8030310889ea1870408c0800af907a1e6b8957

Aliases

arxiv: 1010.1370 · arxiv_version: 1010.1370v1 · doi: 10.48550/arxiv.1010.1370 · pith_short_12: PMTXBLBHATZJ · pith_short_16: PMTXBLBHATZJ6UKD · pith_short_8: PMTXBLBH

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/PMTXBLBHATZJ6UKDCKGY5ABQGE \
  | 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: 7b2770ac2704f29f5143128d8e8030310889ea1870408c0800af907a1e6b8957

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c82ef46d865d33ef223d01302592521be02a424b0032b10824be1de1bed4335",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-10-07T08:43:46Z",
    "title_canon_sha256": "0ca8c7c294f999116e898c4abd47df8b7f6ad793bd24efe159d234a714fb8666"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.1370",
    "kind": "arxiv",
    "version": 1
  }
}