Pith Number

pith:TTAAKTBE

pith:2018:TTAAKTBEYIMOS3WRTKL75EH7DQ

not attested not anchored not stored refs pending

The 2175 \AA\ extinction feature in the optical afterglow spectrum of GRB 180325A at z=2.25

A. de Ugarte Postigo, B. Sbarufatti, C. Ledoux, D. A. Kann, D. H. Hartmann, D. Malesani, D. Perley, D. Xu, J. Bolmer, J. Hjorth, J. Japelj, J. P. U. Fynbo, J. Selsing, K. E. Heintz, L. Christensen, L. Izzo, L. Kaper, M. Arabsalmani, N. R. Tanvir, P. D'Avanzo, P. Jakobsson, P. M{\o}ller, R. L. C. Starling, R. Salvaterra, S. Campana, S. Covino, T. Schweyer, T.Zafar, V. D'Elia

arxiv:1806.00293 v2 · 2018-06-01 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TTAAKTBEYIMOS3WRTKL75EH7DQ}

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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

Summary of Discussion Sessions from "The Dusty Universe 2025: The Fifth Pandust Conference"

Receipt and verification

First computed	2026-05-18T00:12:24.189562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cc0054c24c218e96ed19a97fe90ff1c0589f4455ac38c1cfd15d249049824ed

Aliases

arxiv: 1806.00293 · arxiv_version: 1806.00293v2 · doi: 10.48550/arxiv.1806.00293 · pith_short_12: TTAAKTBEYIMO · pith_short_16: TTAAKTBEYIMOS3WR · pith_short_8: TTAAKTBE

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/TTAAKTBEYIMOS3WRTKL75EH7DQ \
  | 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: 9cc0054c24c218e96ed19a97fe90ff1c0589f4455ac38c1cfd15d249049824ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0a99338715a2970f2202331bef728b3d7072862fd12e0dbd180c64c23c032cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-06-01T11:39:02Z",
    "title_canon_sha256": "6c008aa20f7c28bc0ffc4c06fe1253b1d1c0ec508f964b470c59575baabd6032"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.00293",
    "kind": "arxiv",
    "version": 2
  }
}